fix(workflows): add pnpm action setup to e2e-naga.yml for package management

Author: Ansonhkg

.github/workflows/e2e-naga.yml

@@ -125,6 +125,10 @@ jobs:
           fetch-depth: 0
           ref: ${{ github.ref }}
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9.15.0
+
       - uses: actions/setup-node@v4
         with:
           node-version: 22.18.0