UPSTREAM: <carry>: Fix Commit Checker workflow to checkout the code

Signed-off-by: Ricardo M. Oliveira <[email protected]>

Author: rimolive

.github/workflows/build-prs.yml

@@ -16,6 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build-pr-images
     steps:
+      - uses: actions/checkout@v3
       - name: Get Commits
         id: get-commits
         run: |