Update GH Actions workflow

- replace codesandbox ci with pkg-pr-new action
- add preview workflow

Author: gilbarbara

.codesandbox/ci.json

@@ -0,0 +1,69 @@
+name: CI
+
+on:
+  push:
+    branches: ['main']
+    tags: ['v*']
+  pull_request:
+    branches: ['*']
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+          run_install: false
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - run: pnpm install
+
+      - run: pnpm validate
+
+      - uses: SonarSource/sonarqube-scan-action@v7.0.0
+        if: "!startsWith(github.ref, 'refs/tags/')"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
+  publish:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: validate
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+          run_install: false
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+          registry-url: https://registry.npmjs.org
+
+      - run: npm install -g npm@11
+
+      - run: pnpm install
+
+      - run: pnpm build
+
+      - run: npm publish --provenance

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: Preview
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  preview:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+          run_install: false
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'pnpm'
+
+      - run: pnpm install
+        timeout-minutes: 3
+
+      - run: pnpm run build
+
+      - run: npx pkg-pr-new publish --template './demo'