fix(deps): update dependency next-intl to v4 (#2580)

* fix(deps): update dependency next-intl to v4

* fix: typecheck issue

* refactor: implement improvements for next-intl v4

* fix: typecheck issues

* fix: typecheck issue

---------

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>
Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/translation/src/server.ts

@@ -1,5 +1,15 @@
 import { getTranslations } from "next-intl/server";
 
+import type { SupportedLanguage } from "./config";
+import type englishTranslation from "./lang/en.json";
+
+declare module "next-intl" {
+  interface AppConfig {
+    Messages: typeof englishTranslation;
+    Locale: SupportedLanguage;
+  }
+}
+
 export const { getI18n, getScopedI18n } = {
   getI18n: getTranslations,
   getScopedI18n: getTranslations,