chore: import upstream snapshot with attribution

.github/workflows/release-changesets.yml

@@ -0,0 +1,72 @@
+# Copyright 2026 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: Release (Changeset)
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          token: ${{ secrets.GOOGLEWORKSPACE_BOT_TOKEN }}
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
+        with:
+          github_access_token: ${{ secrets.GOOGLEWORKSPACE_BOT_TOKEN }}
+
+      - uses: pnpm/action-setup@c5ba7f7862a0f64c1b1a05fbac13e0b8e86ba08c # v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        with:
+          node-version: '22'
+          cache: 'pnpm'
+
+      - name: Install Dependencies
+        run: pnpm install
+
+      - run: |
+          git config --global user.name "googleworkspace-bot"
+          git config --global user.email "googleworkspace-bot@google.com"
+
+      - name: Create Release Pull Request or Tag
+        id: changesets
+        uses: changesets/action@6a0a831ff30acef54f2c6aa1cbbc1096b066edaf # v1
+        with:
+          version: pnpm run version-sync
+          publish: pnpm run tag-release
+          commit: 'chore: release versions'
+          title: 'chore: release versions'
+          setupGitUser: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GOOGLEWORKSPACE_BOT_TOKEN }}