Skip sonar for PR from fork

Signed-off-by: Tony Xiang <[email protected]>

Signed-off-by: Tony Xiang <[email protected]>

Author: TonyXiang8787

.github/workflows/sonar.yml

@@ -91,7 +91,7 @@ jobs:
 
       - name: Run sonar-scanner
         # only run sonar server in push event or pull request event from own repo
-        if: github.event_name == 'push' || ${{ github.event.pull_request.head.repo.owner.login }} == 'alliander-opensource'
+        if: ${{ (github.event_name == 'push') || (github.event.pull_request.head.repo.owner.login == 'alliander-opensource') }} 
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}