chore(spring-v3): make push badge only on main

.github/workflows/ci-pipeline.yml

@@ -31,6 +31,7 @@ jobs:
           jacoco-csv-file: build/reports/jacoco/test/jacocoTestReport.csv
 
       - name: Commit and push the badge (if it changed)
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         uses: EndBug/add-and-commit@v7
         with:
           default_author: github_actions