Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,48 @@
+name: Release
+
+on:
+  schedule:
+    - cron: '0 9 * * 1' # Every Monday at 9:00 AM UTC
+  workflow_dispatch:
+    branches:
+      - master
+
+permissions:
+  contents: write
+  id-token: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/master'
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.RELEASE_TOKEN }}
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version-file: '.nvmrc'
+          check-latest: true
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Configure git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Release
+        run: npm run release
+        env:
+          CHANGELOG_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}