Trigger the pipeline only on approval

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: VimukthiPerera

.github/workflows/linter.yml

@@ -9,7 +9,7 @@ permissions:
 
 jobs:
   lint:
-    if: github.event_name == 'pull_request' || (github.event_name == 'pull_request_review' && github.event.review.state == 'approved')
+    if: github.event_name == 'pull_request_review' && github.event.review.state == 'approved'
     name: Lint Code Base
     runs-on: ubuntu-latest
     steps: