fix(ci): correct Dependabot PR detection in Claude workflow

- Fix workflow condition to use github.event.pull_request.user.login
- Add fallback condition with github.actor for security
- Add workflow_dispatch trigger for manual testing
- Implements the "belt and suspenders" approach from issue analysis

Co-authored-by: ntindle <8845353+ntindle@users.noreply.github.com>

.github/workflows/claude-dependabot.yml

@@ -14,11 +14,14 @@ name: Claude Dependabot PR Review
 on:
   pull_request:
     types: [opened, synchronize]
+  workflow_dispatch:  # Allow manual testing
 
 jobs:
   dependabot-review:
     # Only run on Dependabot PRs
-    if: github.actor == 'dependabot[bot]'
+    if: |
+      github.actor == 'dependabot[bot]' || 
+      github.event.pull_request.user.login == 'dependabot[bot]'
     runs-on: ubuntu-latest
     timeout-minutes: 30