chore: Add GitHub Action to auto comment if customers comment on a closed issue (#3479)

Author: GavinZZ

.github/workflows/close_issue_message.yml

@@ -0,0 +1,20 @@
+name: Closed issue message
+
+on:
+  issues:
+    types: [ closed ]
+jobs:
+  auto_comment:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - uses: aws-actions/closed-issue-message@v1
+        with:
+          # These inputs are both required
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          message: |
+            ### ⚠️COMMENT VISIBILITY WARNING⚠️
+            Comments on closed issues are hard for our team to see.
+            If you need more assistance, please either tag a team member or open a new issue that references this one.
+            If you wish to keep having a conversation with other community members under this issue feel free to do so.