Add a GH Actions job for trusted publishing (#14)

see also: https://docs.npmjs.com/trusted-publishers

Author: seratch

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: Publish Package
+# See https://docs.npmjs.com/trusted-publishers
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  id-token: write  # Required for OIDC
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          registry-url: 'https://registry.npmjs.org'
+
+      # Ensure npm 11.5.1 or later is installed
+      - name: Update npm
+        run: npm install -g npm@latest
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm run test -- --run
+      - run: npm publish
+