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-token.service.ts

@@ -18,7 +18,7 @@ export class PushTokenService {
   /**
    * 注册设备令牌
    */
-  async registerToken(userId: string, tokenData: RegisterDeviceTokenDto): Promise<UserPushToken> {
+  async registerToken(tokenData: RegisterDeviceTokenDto, userId?: string): Promise<UserPushToken> {
     try {
       this.logger.log(`Registering push token for user ${userId}`);
 
@@ -45,13 +45,6 @@ export class PushTokenService {
         return existingToken;
       }
 
-      // 检查用户是否已有其他设备的令牌，可以选择是否停用旧令牌
-      const userTokens = await this.pushTokenModel.findAll({
-        where: {
-          userId,
-          isActive: true,
-        },
-      });
 
       // 创建新令牌
       const newToken = await this.pushTokenModel.create({