build: bump axios from 1.15.2 to 1.16.0 in /src/frontend

Bumps [axios](https://github.com/axios/axios) from 1.15.2 to 1.16.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v1.15.2...v1.16.0)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 1.16.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/frontend/package-lock.json

@@ -21,7 +21,7 @@
     "@reduxjs/toolkit": "^2.11.2",
     "@tailwindcss/vite": "^4.2.4",
     "autoprefixer": "^10.5.0",
-    "axios": "^1.15.2",
+    "axios": "^1.16.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^1.14.0",