Restore pull_request workflow event types

- Added back specific PR event types to CI workflow
- Now triggers on: opened, reopened, synchronize, ready_for_review, converted_to_draft, review_requested
- This ensures CI runs when PRs change draft status or reviews are requested

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: rjohnson2011

.github/workflows/ci.yml

@@ -2,6 +2,7 @@ name: CI
 
 on:
   pull_request:
+    types: [opened, reopened, synchronize, ready_for_review, converted_to_draft, review_requested]
   push:
     branches: [ main ]