[Bugfix] Fix CI (#494)

.github/workflows/frontend-ci.yml

@@ -19,25 +19,36 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [20]
-
+        # pseudo-matrix for convenience, NEVER use more than a single combination
+        node: [20]
+        os: [ubuntu-latest]
     steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+      - name: install pnpm
+        shell: bash
+        run: |
+          PNPM_VER=9.5.0
+          echo installing pnpm version $PNPM_VER
+          npm i -g pnpm@$PNPM_VER
+        working-directory: paimon-web-ui
 
-    - name: Checkout code
-      uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+          cache: 'pnpm'
+          cache-dependency-path: '**/pnpm-lock.yaml'
 
-    - name: Setup Node
-      uses: actions/setup-node@v4
-      with:
-        node-version: '20.x'
+      - name: install
+        run: pnpm install --frozen-lockfile --prefer-offline --ignore-scripts
+        working-directory: paimon-web-ui
 
-    - name: Install dependencies
-      run: npm install
-      working-directory: paimon-web-ui
-
-    - name: Build
-      run: npm run build
-      working-directory: paimon-web-ui
+      - name: Build
+        run: pnpm run build
+        working-directory: paimon-web-ui