add

.github/workflows/label-pr.yml

@@ -7,6 +7,10 @@ permissions:
 on:
   issue_comment:
     types: [created]
+  pull_request_review:
+    types: [submitted, dismissed]
+  pull_request_review_comment:
+    types: [created, deleted]
 
 jobs:
   author_comment:
@@ -18,4 +22,37 @@ jobs:
         with:
           labels: waiting for update
         env:
-          NUMBER: ${{ github.event.issue.number }}
+          NUMBER: ${{ github.event.issue.number }}
+
+  review_requested:
+    name: Add "waiting for review" if a review is requested
+    if: ${{ github.event_name == 'pull_request_review' && github.event.action == 'submitted' }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: waiting for review
+        env:
+          NUMBER: ${{ github.event.pull_request.number }}
+
+  review_request_removed:
+    name: Remove "waiting for review" label if review dismissed
+    if: ${{ github.event_name == 'pull_request_review' && github.event.action == 'dismissed' }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-ecosystem/action-remove-labels@v1
+        with:
+          labels: waiting for review
+        env:
+          NUMBER: ${{ github.event.issue.number }}
+
+  update_requested:
+    name: Add "waiting for update" if changes are requested
+    if: ${{ github.event_name == 'pull_request_review' && github.event.action == 'created'}}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: waiting for update
+        env:
+          NUMBER: ${{ github.event.pull_request.number }}