chore(ci): add labeler github action; (#6888)

.github/workflows/labeler.yml

@@ -0,0 +1,19 @@
+name: "Pull Request Labeler"
+on:
+  pull_request_target:
+  workflow_dispatch:
+    inputs:
+      prs:
+        required: false
+        description: "pr number"
+
+jobs:
+  labeler:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v5
+        with:
+          pr-number: github.event.inputs.prs