fix(ci): install Node.js before checkout to fix 'node not found' error

.gitea/workflows/build.yml

@@ -19,6 +19,12 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
+      - name: Install Node.js
+        run: |
+          curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash -
+          sudo apt-get install -y nodejs
+          node --version
+
       - name: Checkout
         uses: actions/checkout@v4
 
@@ -27,11 +33,6 @@ jobs:
         with:
           version: 9
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-
       - name: Install dependencies
         working-directory: web
         run: pnpm install --frozen-lockfile