fix: skip Claude code review workflow for Dependabot PRs

Dependabot PRs don't have access to repository secrets, causing the
workflow to fail. Add condition to skip the job when actor is dependabot[bot].

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

Author: mchestr

.github/workflows/claude-code-review.yml

@@ -12,11 +12,8 @@ on:
 
 jobs:
   claude-review:
-    # Optional: Filter by PR author
-    # if: |
-    #   github.event.pull_request.user.login == 'external-contributor' ||
-    #   github.event.pull_request.user.login == 'new-developer' ||
-    #   github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'
+    # Skip Dependabot PRs - they don't have access to secrets
+    if: github.actor != 'dependabot[bot]'
 
     runs-on: ubuntu-latest
     permissions: