ci: add npm publish workflow on GitHub release

Author: Erik Rasmussen

.github/workflows/publish.yml

@@ -0,0 +1,33 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    name: Publish to npm
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 22
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          registry-url: "https://registry.npmjs.org"
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Run tests
+        run: yarn start test
+
+      - name: Build
+        run: yarn start build
+
+      - name: Publish
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}