Release workflow - open a PR with changes instead of direct push

Author: sutaakar

.github/workflows/tag-and-build.yml

@@ -48,9 +48,11 @@ jobs:
     # Permission required to create a release
     permissions:
       contents: write
+      pull-requests: write
 
     env:
       IMAGE_ORG_BASE: quay.io/${{ github.event.inputs.quay-organization }}
+      PR_BRANCH_NAME: adjustments-release-${{ github.event.inputs.version }}
 
     steps:
     - uses: actions/checkout@v3
@@ -132,6 +134,28 @@ jobs:
       with:
         commit_message: Update dependency versions for release ${{ github.event.inputs.version }}
         file_pattern: 'README.md controllers/defaults.go *.yaml Makefile go.mod go.sum'
+        create_branch: true
+        branch: ${{ env.PR_BRANCH_NAME }}
+
+    - name: Create a PR with code changes
+      run: |
+        GIT_BRANCH=${GITHUB_REF#refs/heads/}
+        gh pr create --base "$GIT_BRANCH" --fill --head "${{ env.PR_BRANCH_NAME }}"
+        PR_NUMBER=$(gh pr view ${{ env.PR_BRANCH_NAME }} --json number --jq .number)
+        gh pr comment $PR_NUMBER --body "/lgtm"
+        gh pr comment $PR_NUMBER --body "/approve"
+      env:
+        GITHUB_TOKEN: ${{ secrets.CODEFLARE_MACHINE_ACCOUNT_TOKEN }}
+
+    - name: Wait until PR with code changes is merged
+      run: |
+        timeout 3600 bash -c 'until [[ $(gh pr view '${{ env.PR_BRANCH_NAME }}' --json state --jq .state) == "MERGED" ]]; do sleep 5 && echo "$(gh pr view '${{ env.PR_BRANCH_NAME }}' --json state --jq .state)"; done'
+      env:
+        GITHUB_TOKEN: ${{ github.TOKEN }}
+
+    - name: Delete remote branch
+      run: |
+        git push origin --delete ${{ env.PR_BRANCH_NAME }}
 
     - name: Creates a release in GitHub
       run: |