Bump axios from 1.13.6 to 1.15.0 in /frontend

Bumps [axios](https://github.com/axios/axios) from 1.13.6 to 1.15.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v1.13.6...v1.15.0)

---
updated-dependencies:
- dependency-name: axios
  dependency-version: 1.15.0
  dependency-type: direct:production
...

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

frontend/package.json

@@ -13,7 +13,7 @@
     "generate": "openapi-generator-cli generate -i api-specs/osu_music.swagger.json -g typescript-axios -o ./src/generated"
   },
   "dependencies": {
-    "axios": "^1.9.0",
+    "axios": "^1.15.0",
     "vue": "^3.5.13",
     "vue-router": "^4.4.5"
   },