fix: align pnpm version in CI

Use the same pnpm release as package.json to avoid action setup mismatch.

Author: overtrue

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: "10.29.0"
+          version: "10.28.1"
       - name: Setup Node
         uses: actions/setup-node@v4
         with: