ci: setup v5.x release automation

.github/workflows/release-v5.yml

@@ -0,0 +1,43 @@
+name: Release v5.x
+
+on:
+  push:
+    tags: ['v5.[0-9]+.[0-9]+']
+
+jobs:
+  npm:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/iron # 20
+          registry-url: https://registry.npmjs.org
+          always-auth: true
+      - run: npm publish --provenance --tag previous
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+  github:
+    needs:
+      - npm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/iron # 20
+          cache: 'npm'
+      - run: node .release-notes.cjs
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}