chore(deps): Bump actions/upload-artifact from v4 to v5

Author: claude

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
         run: npm run build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist
           path: dist/