Merge pull request #2671 from cta-observatory/fix_sonar

Fix sonar for pull requests

.github/workflows/sonar.yml

@@ -19,12 +19,26 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.workflow_run.conclusion == 'success'
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout branch or tag
+        uses: actions/checkout@v4
+        if: github.event.workflow_run.event != 'pull_request'
         with:
           repository: ${{ github.event.workflow_run.head_repository.full_name }}
           ref: ${{ github.event.workflow_run.head_branch }}
           fetch-depth: 0
 
+      - name: Checkout Pull Request merge result
+        uses: actions/checkout@v4
+        if: github.event.workflow_run.event == 'pull_request'
+        with:
+          ref: refs/pull/${{ github.event.workflow_run.pull_requests[0].number }}/merge
+          fetch-depth: 0
+
+      - name: Git info
+        run: |
+          git status
+          git log -n 5 --oneline
+
       - name: 'Download code coverage'
         uses: actions/github-script@v7
         with: