perf: add pnpm

Author: ibuler

.github/workflows/build.yml

@@ -85,10 +85,17 @@ jobs:
         run: make install
         working-directory: go-client
 
+      - uses: pnpm/action-setup@v4
+        name: Install pnpm
+        with:
+          version: 10
+          run_install: false
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: "23"
+          cache: 'pnpm'
 
      - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable