Add zizmor workflow to scan Github Actions code

.github/workflows/ci.yml

@@ -10,7 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Setup Python
         uses: actions/setup-python@v3
       - name: Install Poetry
@@ -32,7 +34,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Setup Python
         uses: actions/setup-python@v3
       - name: Install Poetry

.github/workflows/issue_sync.yml

@@ -17,6 +17,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Setup python
         uses: actions/setup-python@v5
         with:

.github/workflows/lock.yml

@@ -5,11 +5,10 @@ on:
     - cron: '0 0 * * *'
   workflow_dispatch:
 
-permissions:
-  issues: write
-
 jobs:
   action:
+    permissions:
+      issues: write
     runs-on: ubuntu-latest
     steps:
       - uses: dessant/[email protected]

.github/workflows/repoaudit.yml

@@ -26,7 +26,9 @@ jobs:
       repo_type: ${{ github.event.inputs.repo_type }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Setup Python
         uses: actions/setup-python@v3
       - name: Install repoaudit

.github/workflows/zizmor.yml

@@ -0,0 +1,47 @@
+# https://github.com/woodruffw/zizmor
+name: GitHub Actions Security Analysis with Zizmor
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["*"]
+  schedule:
+    - cron: '43 1 * * *'
+
+permissions:
+  contents: read
+
+jobs:
+  zizmor:
+    name: Zizmor latest via Cargo
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Get zizmor
+        run: cargo install zizmor
+      - name: Run zizmor
+        run: zizmor --format sarif . > results.sarif
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          # Path to SARIF file relative to the root of the repository
+          sarif_file: results.sarif
+          # Optional category for the results
+          # Used to differentiate multiple results for one commit
+          category: zizmor
+      - name: Check zizmor results
+        run: |
+          problems=$(zizmor -q --format json . | jq 'length')
+          if (( $problems > 0 )); then
+            echo "Found problem(s) with zizmor:"
+            zizmor --format plain .
+            exit 1
+          fi