Merge pull request #235 from ScalefreeCOM/workflow-fixes

Only trigger workflow on PRs on main branch.

Author: dkawczynski

.github/workflows/checking_labels.yml

@@ -6,6 +6,8 @@ permissions:
 on: 
   pull_request:
     types: [opened, synchronize]
+    branches:
+      - main
 
 concurrency:
   group: trigger-group