chore(deps): bump i18next from 25.7.2 to 25.7.3 in /client

Bumps [i18next](https://github.com/i18next/i18next) from 25.7.2 to 25.7.3.
- [Release notes](https://github.com/i18next/i18next/releases)
- [Changelog](https://github.com/i18next/i18next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/i18next/compare/v25.7.2...v25.7.3)

---
updated-dependencies:
- dependency-name: i18next
  dependency-version: 25.7.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

client/package.json

@@ -15,7 +15,7 @@
     "@vitejs/plugin-react": "^5.1.2",
     "chart.js": "^4.5.1",
     "cron-parser": "^5.4.0",
-    "i18next": "^25.7.2",
+    "i18next": "^25.7.3",
     "i18next-browser-languagedetector": "^8.2.0",
     "i18next-http-backend": "^3.0.2",
     "react": "^19.2.3",