Merge pull request #3324 from hiqueCa/patch-4

docs: fix TypeORM Subscribers section TypeORM link

Author: kamilmysliwiec

content/techniques/sql.md

@@ -436,7 +436,7 @@ async createMany(users: User[]) {
 
 #### Subscribers
 
-With TypeORM [subscribers](https://typeorm.io/#/listeners-and-subscribers/what-is-a-subscriber), you can listen to specific entity events.
+With TypeORM [subscribers](https://typeorm.io/docs/advanced-topics/listeners-and-subscribers#what-is-a-subscriber), you can listen to specific entity events.
 
 ```typescript
 import {
@@ -483,8 +483,6 @@ import { UserSubscriber } from './user.subscriber';
 export class UsersModule {}
 ```
 
-> info **Hint** Learn more about entity subscribers [here](https://typeorm.io/#/listeners-and-subscribers/what-is-a-subscriber).
-
 #### Migrations
 
 [Migrations](https://typeorm.io/#/migrations) provide a way to incrementally update the database schema to keep it in sync with the application's data model while preserving existing data in the database. To generate, run, and revert migrations, TypeORM provides a dedicated [CLI](https://typeorm.io/#/migrations/creating-a-new-migration).