Merge pull request #23557 from abpframework/abp-9-3-mysql

Update migration guide for EF Core MySQL provider change

docs/en/release-info/migration-guides/abp-9-3.md

@@ -2,6 +2,14 @@
 
 This document is a guide for upgrading ABP v9.2 solutions to ABP v9.3. There are some changes in this version that may affect your applications, please read it carefully and apply the necessary changes to your application.
 
+## Switched to `MySql.EntityFrameworkCore` for EF Core MySQL Provider
+
+In this version, we switched the EF Core MySQL provider from `Pomelo.EntityFrameworkCore.MySql` to `MySql.EntityFrameworkCore`. 
+
+If you want to use the `Pomelo.EntityFrameworkCore.MySql` provider, then you can follow the [Use Pomelo provider documentation](https://abp.io/docs/latest/framework/data/entity-framework-core/mysql#use-pomelo-provider) to migrate your application.
+
+> See the internal changes we made in [#23392](https://github.com/abpframework/abp/pull/23392), for implementation details.
+
 ## Updated `RabbitMQ.Client` to `7.x`
 
 In this version, we updated `RabbitMQ.Client` to `7.1.2`. [This is a major version update](https://github.com/rabbitmq/rabbitmq-dotnet-client/blob/main/v7-MIGRATION.md) that brings significant improvements to the library: