ci: manage waiting for feedback label (#32577)

.github/workflows/stale.yaml

@@ -20,5 +20,17 @@ jobs:
         with:
           days-before-stale: 7
           days-before-close: 5
-          exempt-issue-labels: "pinned,security,backlog,bug"
+          exempt-issue-labels: "pinned,security,backlog,bug,waiting for feedback"
           exempt-pr-labels: "pinned,security,backlog,bug"
+
+      # issues without the requested feedback close after a week
+      - uses: actions/stale@v11
+        id: waiting
+        with:
+          only-issue-labels: "waiting for feedback"
+          days-before-issue-stale: 7
+          days-before-issue-close: 0
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          exempt-issue-labels: "pinned,security,backlog"
+          close-issue-message: "Closing since the requested feedback was not provided. You can still comment with requested feedback and we'll reopen."

.github/workflows/waiting-feedback.yml

@@ -0,0 +1,36 @@
+name: Waiting Feedback
+
+permissions:
+  issues: write
+  pull-requests: write
+
+on:
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+
+jobs:
+  reset-label:
+    name: Reset Waiting Label
+    runs-on: ubuntu-latest
+    # only when the opener replies
+    if: github.event.comment.user.login == (github.event.issue.user.login || github.event.pull_request.user.login)
+
+    steps:
+      - uses: actions/github-script@v9.0.0
+        with:
+          script: |
+            const number = (context.payload.issue || context.payload.pull_request).number;
+
+            try {
+              await github.rest.issues.removeLabel({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: number,
+                name: 'waiting for feedback',
+              });
+            } catch (err) {
+              // label not present
+              if (err.status !== 404) throw err;
+            }