fix(deps): update dependency react-i18next to v16 (#302)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "react-dom": "19.1.1",
     "react-error-boundary": "6.0.0",
     "react-hook-form": "7.63.0",
-    "react-i18next": "15.7.4",
+    "react-i18next": "16.0.0",
     "react-router-dom": "7.9.2",
     "react-syntax-highlighter": "15.6.6",
     "react-time-ago": "7.3.5",