meta: post comment when pr labeled fast-track

Signed-off-by: James M Snell <jasnell@gmail.com>

PR-URL: #38446
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

.github/workflows/comment-labeled.yml

@@ -0,0 +1,29 @@
+name: Comment on issues and PRs when labelled
+on:
+  issues:
+    types: [labeled]
+  pull_request_target:
+    types: [labeled]
+
+jobs:
+  staleComment:
+    if: github.repository == 'nodejs/node' && github.event.label.name == 'stalled'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Post stalled comment
+        env:
+            COMMENTS_URL: ${{ github.event.issue.comments_url || github.event.pull_request.comments_url }}
+        run: |
+          curl -X POST $COMMENTS_URL \
+          -H "Content-Type: application/json" \
+          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+          --data '{ "body": "This issue/PR was marked as stalled, it will be automatically closed in 30 days. If it should remain open, please leave a comment explaining why it should remain open." }'
+
+  fastTrack:
+    if: github.repository == 'nodejs/node' && github.event_name == 'pull_request_target' && github.event.label.name == 'fast-track'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Request Fast-Track
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --body "Fast-track has been requested by @${{ github.actor }}. Please 👍 to approve."