update workflow

.gitea/workflows/build-on-tag.yml

@@ -13,17 +13,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          cache: npm
-
       - name: Install dependencies
-        run: npm ci
+        run: bun install --frozen-lockfile
 
       - name: Build
-        run: npm run build
+        run: bun run build
 
       - name: Verify dist
         run: |