fix: CI pipeline - restore security-scan job with proper YAML formatting

Author: byerlikaya

.github/workflows/ci.yml

@@ -254,7 +254,6 @@ jobs:
   security-scan:
     name: Security Scan
     runs-on: ubuntu-latest
-    needs: test
     if: github.ref == 'refs/heads/main'
     permissions:
       contents: read