ci: add synchronize trigger to semantic PR title validation workflow (#18)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: aaronsteers

.github/workflows/semantic-pr-check.yml

@@ -6,7 +6,7 @@ name: Semantic PR Title Validation
 
 on:
   pull_request:
-    types: [opened, edited, ready_for_review]
+    types: [opened, edited, ready_for_review, synchronize]
 
 jobs:
   validate-pr-title: