add contributor feedback label action

.github/workflows/update-feedback-labels.yml

@@ -0,0 +1,18 @@
+name: 'Update contributor feedback labels on comment'
+on: 'issue_comment'
+
+jobs:
+  feedback:
+    if: github.event.issue && contains(github.event.issue.labels.*.name, 'needs feedback')
+    runs-on: ubuntu-latest
+    steps:
+    - name: Add has feedback
+      uses: actions-ecosystem/action-add-labels@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        labels: 'has feedback'
+    - name: remove needs feedback
+      uses: actions-ecosystem/action-remove-labels@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        labels: 'needs feedback'