👷(ci) fix ci issue with changelog on main

check-changelog should only runs on PR

.github/workflows/people.yml

@@ -34,7 +34,9 @@ jobs:
 
   check-changelog:
     runs-on: ubuntu-latest
-    if: contains(github.event.pull_request.labels.*.name, 'noChangeLog') == false
+    if: |
+      contains(github.event.pull_request.labels.*.name, 'noChangeLog') == false &&
+      github.event_name == 'pull_request'
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2