Automate removing the awaiting-op-response label (#3888)

.github/workflows/issue-user-responded.yml

@@ -0,0 +1,17 @@
+name: Remove awaiting-op-response label if op responded
+on:
+  issue_comment:
+    types: [created]
+jobs:
+  label_issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - run: gh issue edit "$NUMBER" --remove-label "$LABELS"
+        if: ${{ github.event.comment.user.login == github.event.issue.user.login && contains(github.event.issue.labels.*.name, 'awaiting-op-response') }}
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
+          NUMBER: ${{ github.event.issue.number }}
+          LABELS: awaiting-op-response