ci: update pnpm/action-setup to v4 (#4320)

Author: snitin315

.github/workflows/nodejs.yml

@@ -74,10 +74,9 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: "yarn"
 
-      # Setup pnpm v7 for tests which is compatible with Node.js >=14
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
         with:
-          version: 7
+          version: 9
 
       - name: Install dependencies
         run: yarn --frozen-lockfile --ignore-engines --ignore-scripts