Switch PR review workflow runner to macOS ARM self-hosted (#2893)

## Summary - Update PR review responder workflow to run on a macOS ARM self-hosted runner for compatibility with macOS-specific tooling. - Keep permissions and trigger logic unchanged while replacing runner label. ## Test plan - Ran required checks locally: > dyad@0.39.0-beta.1 fmt > npx oxfmt > dyad@0.39.0-beta.1 lint:fix > npx oxlint --fix --fix-suggestions --fix-dangerously Found 0 warnings and 0 errors. Finished in 32ms on 813 files with 88 rules using 10 threads. > dyad@0.39.0-beta.1 ts > npm run ts:main && npm run ts:workers > dyad@0.39.0-beta.1 ts:main > npx tsgo -p tsconfig.app.json --noEmit --incremental > dyad@0.39.0-beta.1 ts:workers > npx tsc -p workers/tsc/tsconfig.json --noEmit --incremental. 🤖 Generated with [Claude Code](https://claude.com/claude-code)  --- <a href="https://app.devin.ai/review/dyad-sh/dyad/pull/2893" target="_blank"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://static.devin.ai/assets/gh-open-in-devin-review-dark.svg?v=1"> <img src="https://static.devin.ai/assets/gh-open-in-devin-review-light.svg?v=1" alt="Open with Devin"> </picture> </a>

Switch PR review workflow runner to macOS ARM self-hosted (#2893)
1606ae9c · Will Chen · GitHub · 9085b531 · 1606ae9c
--- a/.github/workflows/pr-review-responder.yml
+++ b/.github/workflows/pr-review-responder.yml
@@ -22,7 +22,10 @@ jobs:
      github.event_name == 'workflow_run' ||
      (github.event_name == 'pull_request_target' && github.event.label.name == 'cc:request:now')
    environment: ai-bots
-    runs-on: ubuntu-latest
+    runs-on:
+      - self-hosted
+      - macOS
+      - ARM64
    permissions:
      actions: write
      contents: write