fix: fixed improper imports in auth module

packages/hoppscotch-backend/src/user/user.module.ts

@@ -2,10 +2,11 @@ import { Module } from '@nestjs/common';
 import { UserResolver } from './user.resolver';
 import { PubSubModule } from 'src/pubsub/pubsub.module';
 import { UserService } from './user.service';
+import { PrismaModule } from 'src/prisma/prisma.module';
 
 @Module({
-  imports: [PubSubModule],
-  providers: [UserResolver],
+  imports: [PubSubModule, PrismaModule],
+  providers: [UserResolver, UserService],
   exports: [UserService],
 })
 export class UserModule {}