build(deps-dev): bump the dev-dependencies group with 2 updates (#7189)

Bumps the dev-dependencies group with 2 updates: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) and [react-i18next](https://github.com/i18next/react-i18next).


Updates `vitest` from 4.0.0 to 4.0.1
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.1/packages/vitest)

Updates `react-i18next` from 16.1.5 to 16.1.6
- [Changelog](https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md)
- [Commits](i18next/react-i18next@v16.1.5...v16.1.6)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: react-i18next
  dependency-version: 16.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
...

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Author: dependabot[bot]

admin/package.json

@@ -31,7 +31,7 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-hook-form": "^7.65.0",
-    "react-i18next": "^16.1.5",
+    "react-i18next": "^16.1.6",
     "react-router-dom": "^7.9.4",
     "socket.io-client": "^4.8.1",
     "typescript": "^5.9.3",