Refactor PR checks workflow to skip sync events

.github/workflows/pr-checks.yml

@@ -3,7 +3,12 @@ name: pr-checks
 on:
   pull_request:
     branches: [main]
-    types: [opened, synchronize, reopened, edited, ready_for_review]
+    types:
+      - opened
+      # - synchronize
+      - reopened
+      - edited
+      - ready_for_review
 
 concurrency:
   group: pr-checks-${{ github.event.number }}
@@ -26,4 +31,4 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PR_NUMBER: ${{ github.event.number }}
         run: |
-          python .github/scripts/pr_checks.py $PR_NUMBER
+          python .github/scripts/pr_checks.py $PR_NUMBER