added checkout

Author: faekiva

.github/workflows/pr-verify.yaml

@@ -32,6 +32,7 @@ jobs:
   code-quality:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: astral-sh/ruff-action@v3
         with:
           args: "format --check --diff"