ci: add release script

.github/workflows/release-please.yml

@@ -0,0 +1,42 @@
+name: Publish
+
+on:
+  workflow_run:
+    workflows: [Checks]
+    branches: [master]
+    types: [completed]
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: googleapis/release-please-action@v4
+        id: release
+        with:
+          release-type: node
+      # The logic below handles the npm publication:
+      - uses: actions/checkout@v4
+        # these if statements ensure that a publication only occurs when
+        # a new release is created:
+        if: ${{ steps.release.outputs.release_created }}
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: 'https://registry.npmjs.org'
+          cache: "pnpm"
+        if: ${{ steps.release.outputs.release_created }}
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+      - run: pnpm install --frozen-lockfile
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        if: ${{ steps.release.outputs.release_created }}

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
   ".": "2.0.0"
-}
+}

release-please-config.json

@@ -10,4 +10,4 @@
     }
   },
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
-}
+}