Add release workflow to publish on tag push

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: Release
+
+# Triggered by the project's existing tag style (e.g. 1.4.0) — no "v" prefix.
+on:
+  push:
+    tags:
+      - "[0-9]*.[0-9]*.[0-9]*"
+
+jobs:
+  publish:
+    name: Publish to npm
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+          registry-url: "https://registry.npmjs.org"
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm build
+
+      - name: Test
+        run: pnpm test:run
+
+      - name: Publish
+        run: pnpm publish --no-git-checks --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}