chore: import upstream snapshot with attribution

.github/workflows/sync-labels.yaml

@@ -0,0 +1,39 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Sync Labels
+on:
+  push:
+    branches:
+      - main
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: 'read'
+      issues: 'write'
+      pull-requests: 'write'
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+      - uses: micnncim/action-label-syncer@3abd5ab72fda571e69fffd97bd4e0033dd5f495c # v1.3.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          manifest: .github/labels.yaml