upgrade i18next

package.json

@@ -83,7 +83,7 @@
     "evergreen-ui": "^6.13.1",
     "fast-xml-parser": "^4.4.1",
     "framer-motion": "^9.0.3",
-    "i18next-parser": "^7.6.0",
+    "i18next-parser": "^9.0.1",
     "icon-gen": "^4.0.0",
     "immer": "^10.0.2",
     "ky": "^0.33.1",
@@ -98,7 +98,7 @@
     "pretty-bytes": "^6.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-i18next": "^12.1.5",
+    "react-i18next": "^15.0.0",
     "react-icons": "^4.1.0",
     "react-leaflet": "^4.2.1",
     "react-lottie-player": "^1.5.0",
@@ -134,8 +134,8 @@
     "express-async-handler": "^1.2.0",
     "file-type": "16",
     "fs-extra": "^8.1.0",
-    "i18next": "^22.4.10",
-    "i18next-fs-backend": "^2.1.1",
+    "i18next": "^23.12.2",
+    "i18next-fs-backend": "^2.3.2",
     "json5": "^2.2.2",
     "lodash": "^4.17.19",
     "mime-types": "^2.1.14",

src/main/index.ts

@@ -52,14 +52,6 @@ const electronUnhandled = import('electron-unhandled');
   }
 })();
 
-// https://www.i18next.com/overview/typescript#argument-of-type-defaulttfuncreturn-is-not-assignable-to-parameter-of-type-xyz
-// todo This should not be necessary anymore since v23.0.0
-declare module 'i18next' {
-  interface CustomTypeOptions {
-    returnNull: false;
-  }
-}
-
 // eslint-disable-next-line unicorn/prefer-export-from
 export { isDev };