ci: install pnpm via npm instead of action

.github/workflows/ci.yml

@@ -11,14 +11,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10.23.0
-
       - name: Node version
         run: node -v
 
+      - name: Install pnpm
+        run: npm install -g pnpm@10.23.0
+
       - name: Install dependencies
         run: pnpm install --frozen-lockfile --ignore-scripts=false