Add workflow to sync GitHub labels from labels.yml

.github/workflows/labels.yml

@@ -0,0 +1,26 @@
+name: Sync Labels
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - '.github/labels.yml'
+  workflow_dispatch:
+
+jobs:
+  sync:
+    name: Sync labels
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Sync labels
+        uses: crazy-max/ghaction-github-labeler@v5
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          yaml-file: .github/labels.yml
+          skip-delete: false
+          dry-run: false