pnpm workflow fix.

Author: digitalnomad91

.github/workflows/deploy.yml

@@ -21,8 +21,10 @@ jobs:
           node-version: 20.x
           cache: 'pnpm'
 
-      - name: "🧩 Install pnpm"
-        run: npm install -g pnpm
+      - name: "🧩 Setup pnpm"
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
 
       - name: "🧩 Install dependencies"
         run: pnpm install