fix(notifications): replace old AllSettings path with new one

Author: Schrottfresser

server/lib/settings/migrations/0006_remove_lunasea.ts

@@ -1,4 +1,4 @@
-import type { AllSettings } from '@server/lib/settings';
+import type { AllSettings } from '@server/interfaces/settings';
 
 const removeLunaSeaSetting = (settings: any): AllSettings => {
   if (