Bump @auth0/auth0-react from 2.2.4 to 2.15.0 in /frontend

Bumps [@auth0/auth0-react](https://github.com/auth0/auth0-react) from 2.2.4 to 2.15.0.
- [Release notes](https://github.com/auth0/auth0-react/releases)
- [Changelog](https://github.com/auth0/auth0-react/blob/main/CHANGELOG.md)
- [Commits](auth0/auth0-react@v2.2.4...v2.15.0)

---
updated-dependencies:
- dependency-name: "@auth0/auth0-react"
  dependency-version: 2.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -13,7 +13,7 @@
     "postinstall": "cd .. && husky frontend/.husky"
   },
   "dependencies": {
-    "@auth0/auth0-react": "^2.2.4",
+    "@auth0/auth0-react": "^2.15.1",
     "@emotion/styled": "^11.14.0",
     "@mui/material": "^5.15.10",
     "@mui/styled-engine": "^7.3.6",