chore: Update actions/checkout action to v3 (#960)

Co-authored-by: Noah Dietz <[email protected]>

.github/workflows/ci.yaml

@@ -9,13 +9,13 @@ jobs:
     runs-on: ubuntu-latest
     container: golang:1.14
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: go test -p 1 ./...
   lint:
     runs-on: ubuntu-latest
     container: golang:1.14
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install golangci-lint
         run: curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin latest
       - name: Run golangci-lint
@@ -24,6 +24,6 @@ jobs:
     runs-on: ubuntu-latest
     container: golang:1.14-alpine
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run the quality checker (which catches obvious mistakes, missing docs, etc.)
         run: go run ./.github/quality-checker

.github/workflows/release.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     container: golang:1.14
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Get release information
@@ -56,7 +56,7 @@ jobs:
       - uses: actions/setup-go@v3
         with:
           go-version: "1.14"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       # The API linter does not use these,  but we need them to build the
       # binaries.
       #