deps: bump i18next from 23.16.8 to 25.6.2

Bumps [i18next](https://github.com/i18next/i18next) from 23.16.8 to 25.6.2.
- [Release notes](https://github.com/i18next/i18next/releases)
- [Changelog](https://github.com/i18next/i18next/blob/master/CHANGELOG.md)
- [Commits](i18next/i18next@v23.16.8...v25.6.2)

---
updated-dependencies:
- dependency-name: i18next
  dependency-version: 25.6.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -94,7 +94,7 @@
     "katex": "^0.16.25",
     "unist-util-visit": "^5.0.0",
     "lucide-react": "^0.553.0",
-    "i18next": "^23.11.5",
+    "i18next": "^25.6.2",
     "react-i18next": "^16.3.3",
     "prop-types": "^15.8.1"
   },