ci: trigger CloudKit sync workflow on push to 8-scheduled-job branch

Enable workflow testing by running on pushes to the feature branch.
This allows CI verification before merging to main.

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: leogdion

.github/workflows/cloudkit-sync.yml

@@ -8,6 +8,11 @@ on:
   # Allow manual trigger for testing
   workflow_dispatch:
 
+  # Run on pushes to feature branch for testing
+  push:
+    branches:
+      - 8-scheduled-job
+
 # Prevent concurrent sync runs
 concurrency:
   group: cloudkit-sync