Update workflows and enable dependabot

.github/dependabot.yaml

@@ -0,0 +1,9 @@
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    labels: ["area/build"]
+    schedule:
+      # by default this will be on a monday.
+      interval: "weekly"

.github/workflows/build.yaml

@@ -13,19 +13,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
     - name: Setup Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
       with:
         go-version: 1.20.x
-    - name: Restore go cache
-      uses: actions/cache@v3
-      with:
-        # the ff is mounted into the container as ~/go/pkg/mod
-        path: /home/runner/work/_temp/_github_home/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-
+        cache-dependency-path: |
+          **/go.sum
+          **/go.mod
     - name: Run tests
       run: make test
     - name: Verify
@@ -36,12 +31,15 @@ jobs:
     # Docs: https://github.com/fluxcd/flux2/tree/main/.github/runners
     runs-on: [self-hosted, Linux, ARM64, equinix]
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
+      - name: checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
         with:
           go-version: 1.20.x
+          cache-dependency-path: |
+            **/go.sum
+            **/go.mod
       - name: Run tests
         run: make test
         env:
@@ -54,28 +52,3 @@ jobs:
           SKIP_COSIGN_VERIFICATION: true
       - name: Verify
         run: make verify
-
-  # Runs 'make test' on macos-11 to assure development environment for
-  # contributors using MacOS.
-  darwin-amd64:
-    runs-on: macos-11
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Setup Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: 1.20.x
-      - name: Restore Go cache
-        uses: actions/cache@v3
-        with:
-          path: /home/runner/work/_temp/_github_home/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
-      - name: Run tests
-        run: make test
-        env:
-          SKIP_COSIGN_VERIFICATION: true
-      - name: Verify
-        run: make verify

.github/workflows/cifuzz.yaml

@@ -1,30 +1,24 @@
-name: CIFuzz
+name: fuzz
 on:
   pull_request:
     branches:
       - main
 
 permissions:
-  contents: read
+  contents: read # for actions/checkout to fetch code
 
 jobs:
-  Fuzzing:
+  smoketest:
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-    - name: Setup Go
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.20.x
-    - name: Restore Go cache
-      uses: actions/cache@v3
-      with:
-        path: /home/runner/work/_temp/_github_home/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-
-    - name: Smoke test Fuzzers
-      run: make fuzz-smoketest
-      env:
-        SKIP_COSIGN_VERIFICATION: true
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Setup Go
+        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+        with:
+          go-version: 1.20.x
+          cache-dependency-path: |
+            **/go.sum
+            **/go.mod
+      - name: Smoke test Fuzzers
+        run: make fuzz-smoketest

.github/workflows/nightly.yaml

@@ -14,16 +14,15 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2.1.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
-        with:
-          buildkitd-flags: "--debug"
+        uses: docker/setup-buildx-action@4b4e9c3e2d4531116a6f8ba8e71fc6e2cb6e6c8c # v2.5.0
       - name: Build multi-arch container image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # v4.0.0
         with:
           push: false
           builder: ${{ steps.buildx.outputs.name }}

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
   build-push:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       - name: Setup Kustomize
         uses: fluxcd/pkg/actions/kustomize@main
       - name: Prepare
@@ -35,32 +35,32 @@ jobs:
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2.1.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@4b4e9c3e2d4531116a6f8ba8e71fc6e2cb6e6c8c # v2.5.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
           registry: ghcr.io
           username: fluxcdbot
           password: ${{ secrets.GHCR_TOKEN }}
       - name: Login to Docker Hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
           username: fluxcdbot
           password: ${{ secrets.DOCKER_FLUXCD_PASSWORD }}
       - name: Generate images meta
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@c4ee3adeed93b1fa6a762f209fb01608c1a22f1e # v4.4.0
         with:
           images: |
             fluxcd/${{ env.CONTROLLER }}
             ghcr.io/fluxcd/${{ env.CONTROLLER }}
           tags: |
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish images
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # v4.0.0
         with:
           sbom: true
           provenance: true
@@ -77,7 +77,7 @@ jobs:
           docker buildx imagetools inspect ghcr.io/fluxcd/${{ env.CONTROLLER }}:${{ steps.prep.outputs.VERSION }}
           docker pull docker.io/fluxcd/${{ env.CONTROLLER }}:${{ steps.prep.outputs.VERSION }}
           docker pull ghcr.io/fluxcd/${{ env.CONTROLLER }}:${{ steps.prep.outputs.VERSION }}
-      - uses: sigstore/cosign-installer@v3
+      - uses: sigstore/cosign-installer@dd6b2e2b610a11fd73dd187a43d57cc1394e35f9 # v3.0.5
       - name: Sign images
         env:
           COSIGN_EXPERIMENTAL: 1
@@ -91,10 +91,10 @@ jobs:
           kustomize build ./config/crd > ./config/release/${{ env.CONTROLLER }}.crds.yaml
           kustomize build ./config/manager > ./config/release/${{ env.CONTROLLER }}.deployment.yaml
           echo '[CHANGELOG](https://github.com/fluxcd/${{ env.CONTROLLER }}/blob/main/CHANGELOG.md)' > ./config/release/notes.md
-      - uses: anchore/sbom-action/download-syft@v0
+      - uses: anchore/sbom-action/download-syft@4d571ad1038a9cc29d676154ef265ab8f9027042 # v0.14.2
       - name: Create release and SBOM
         if: startsWith(github.ref, 'refs/tags/v')
-        uses: goreleaser/goreleaser-action@v4
+        uses: goreleaser/goreleaser-action@f82d6c1c344bcacabba2c841718984797f664a6b # v4.2.0
         with:
           version: latest
           args: release --release-notes=config/release/notes.md --rm-dist --skip-validate

.github/workflows/scan.yml

@@ -1,4 +1,4 @@
-name: Scan
+name: scan
 
 on:
   push:
@@ -17,9 +17,10 @@ jobs:
     name: FOSSA
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       - name: Run FOSSA scan and upload build data
-        uses: fossa-contrib/fossa-action@v2
+        uses: fossa-contrib/fossa-action@6728dc6fe9a068c648d080c33829ffbe56565023 # v2.0.0
         with:
           # FOSSA Push-Only API Token
           fossa-api-key: 5ee8bf422db1471e0bcf2bcb289185de
@@ -29,17 +30,20 @@ jobs:
     name: CodeQL
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Set up Go
-        uses: actions/setup-go@v2
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Setup Go
+        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
         with:
           go-version: 1.20.x
+          cache-dependency-path: |
+            **/go.sum
+            **/go.mod
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@29b1f65c5e92e24fe6b6647da1eaabe529cec70f # v2.3.3
         with:
           languages: go
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v2
+        uses: github/codeql-action/autobuild@29b1f65c5e92e24fe6b6647da1eaabe529cec70f # v2.3.3
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@29b1f65c5e92e24fe6b6647da1eaabe529cec70f # v2.3.3