Add label workflow for pre-commit PRs

Author: Sohaibameer204

.github/workflows/label-precommit-prs.yml

@@ -0,0 +1,18 @@
+name: Label Pre-Commit PRs
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  label:
+    if: github.actor == 'pre-commit-ci[bot]'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - name: Add "no releasenotes" label
+        uses: actions-ecosystem/action-add-labels@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          labels: no releasenotes