feat: update updateUser method to use Partial<User> for improved type safety

- Refactored `updateUser` method in `admin.service.ts` to accept `Partial<User>` instead of `any`.
- Added `User` type import for more precise typing.

frontend/src/services/admin.service.ts

@@ -1,4 +1,5 @@
 import api from "@/lib/api";
+import type { User } from "@/types/user";
 import type { Report, ReportStatus } from "./report.service";
 
 export interface AdminStats {
@@ -29,7 +30,7 @@ export const adminService = {
 		await api.delete(`/users/${userId}`);
 	},
 
-	updateUser: async (userId: string, data: any): Promise<void> => {
+	updateUser: async (userId: string, data: Partial<User>): Promise<void> => {
 		await api.patch(`/users/admin/${userId}`, data);
 	},
 };