Update pnpm installation method in deploy workflow

Author: amir0ff

.github/workflows/deploy.yml

@@ -21,9 +21,7 @@ jobs:
           node-version: '18'
 
       - name: 📦 Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
+        run: npm install -g pnpm@latest-10
 
       - name: 📥 Install dependencies
         # On self-hosted, this is lightning fast because the store is local