chore: updated filename to topicDefs

packages/hoppscotch-backend/src/pubsub/pubsub.service.ts

@@ -4,7 +4,7 @@ import { default as Redis, RedisOptions } from 'ioredis';
 
 import { RedisPubSub } from 'graphql-redis-subscriptions';
 import { PubSub as LocalPubSub } from 'graphql-subscriptions';
-import { TopicDef } from './subscriptionTopicsDefs';
+import { TopicDef } from './topicsDefs';
 
 /**
  * RedisPubSub uses JSON parsing for back and forth conversion, which loses Date objects, hence this reviver brings them back