feat(push): migrate APNs provider from @parse/node-apn to apns2 library

- Replace @parse/node-apn with apns2 for improved APNs integration
- Update ApnsProvider to use new ApnsClient with modern API
- Refactor notification creation and sending logic for better error handling
- Add proper error event listeners for device token issues
- Update configuration interface to match apns2 requirements
- Modify push notification endpoints to allow public access for token registration
- Update service methods to handle new response format from apns2
- Add UsersModule dependency to PushNotificationsModule

src/push-notifications/push-notifications.module.ts

@@ -12,11 +12,13 @@ import { PushMessage } from './models/push-message.model';
 import { PushTemplate } from './models/push-template.model';
 import { ConfigModule } from '@nestjs/config';
 import { DatabaseModule } from '../database/database.module';
+import { UsersModule } from '../users/users.module';
 
 @Module({
   imports: [
     ConfigModule,
     DatabaseModule,
+    UsersModule,
     SequelizeModule.forFeature([
       UserPushToken,
       PushMessage,