ci: update pnpm version

Author: stdword

.github/workflows/publish.yml

@@ -20,9 +20,9 @@ jobs:
           node-version: "20"
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v2.2.4
+        uses: pnpm/action-setup@v4
         with:
-          version: 8
+          version: latest
 
       - name: Install dependencies
         run: pnpm install