Bump i18next-http-backend from 2.7.1 to 3.0.2 in /client

Bumps [i18next-http-backend](https://github.com/i18next/i18next-http-backend) from 2.7.1 to 3.0.2.
- [Changelog](https://github.com/i18next/i18next-http-backend/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/i18next-http-backend/commits/v3.0.2)

---
updated-dependencies:
- dependency-name: i18next-http-backend
  dependency-version: 3.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

client/package-lock.json

@@ -21,7 +21,7 @@
         "i18n": "^0.15.1",
         "i18next": "^24.1.2",
         "i18next-browser-languagedetector": "^8.0.0",
-        "i18next-http-backend": "^2.6.2",
+        "i18next-http-backend": "^3.0.2",
         "jwt-decode": "^4.0.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",