Update GitHub Actions workflow to use latest Node.js version and streamline pnpm setup

.github/workflows/publish.yml

@@ -21,17 +21,17 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Use Node.js 20
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          registry-url: 'https://registry.npmjs.org'
-          cache: 'pnpm'
-
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 9
+          version: latest
+
+      - name: Use Node.js latest
+        uses: actions/setup-node@v4
+        with:
+          node-version: latest
+          registry-url: 'https://registry.npmjs.org'
+          cache: 'pnpm'
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile