chore(sage-monorepo): patch Sonar GitHub workflow (#2517)

.github/workflows/sonar-scan.yml

@@ -14,14 +14,13 @@ on:
 env:
   HEAD_REF: ${{ github.event.pull_request.head.ref }}
   HEAD_REPOSITORY: ${{ github.event.pull_request.head.repo.full_name }}
-  APPROVAL_NEEDED: ${{ github.event_name == 'pull_request_target' && contains(github.event.pull_request.labels.*.name, 'sonar-scan-approved') != true }}
 
 jobs:
   sonar:
     runs-on: ubuntu-latest
     steps:
       - name: Check if the label `sonar-scan-approved` exists
-        if: ${{ env.APPROVAL_NEEDED }}
+        if: ${{ github.event_name == 'pull_request_target' && contains(github.event.pull_request.labels.*.name, 'sonar-scan-approved') != true }}
         run: echo "Add the label 'sonar-scan-approved' to this PR to activate Sonar scan"; exit 1
 
       - uses: actions/checkout@v3