Cancel previous claude-pr-review runs on new push (#2307)

## Summary - Adds concurrency block to the claude-pr-review workflow - When a new push is made to a PR, any in-progress review workflow for that PR is automatically cancelled - Avoids wasting resources reviewing outdated code ## Test plan - [ ] Push multiple commits in quick succession to a PR and verify only the latest run completes #skip-bugbot  --- ## Summary by cubic Add GitHub Actions concurrency to the claude-pr-review workflow so only the latest run per PR executes. New pushes automatically cancel any in-progress review, avoiding outdated reviews and saving CI resources. <sup>Written for commit 8a0a3d25f25657ed9fc34580b7cb51feb43a2c9c. Summary will update on new commits.</sup>  Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Cancel previous claude-pr-review runs on new push (#2307)
5fe05aea · Will Chen · GitHub · 3ed561a2 · 5fe05aea
--- a/.github/workflows/claude-pr-review.yml
+++ b/.github/workflows/claude-pr-review.yml
@@ -6,6 +6,10 @@ on:
  pull_request_target:
    types: [opened, synchronize, ready_for_review, reopened]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
 jobs:
  claude-review:
    # Has Anthropic API key, etc.