Add a note for dependency change to azure-identity-extensions (Azure#…

…32442)

* add a note to the changelog

* Update CHANGELOG.md

sdk/jdbc/azure-identity-extensions/CHANGELOG.md

@@ -17,6 +17,7 @@ This is the 1.0.0 GA version of Azure identity extensions library for Java.
 ### Breaking Changes
 
 - Move `azure-identity-providers-core`, `azure-identity-providers-jdbc-mysql`, `azure-identity-providers-jdbc-postgresql` into one module: `azure-identity-extensions` [#32282](https://github.com/Azure/azure-sdk-for-java/pull/32282), [#32370](https://github.com/Azure/azure-sdk-for-java/pull/32370).
+  - Please note that the MySQL or PostgreSQL driver dependency needs to be explicitly added to your project now. 
 - Rename `com.azure.identity.providers.mysql.AzureIdentityMysqlAuthenticationPlugin` to `com.azure.identity.extensions.jdbc.mysql.AzureMysqlAuthenticationPlugin` [#32401](https://github.com/Azure/azure-sdk-for-java/pull/32401).
 - Rename `com.azure.identity.providers.postgresql.AzureIdentityPostgresqlAuthenticationPlugin` to `com.azure.identity.extensions.jdbc.postgresql.AzurePostgresqlAuthenticationPlugin` [#32401](https://github.com/Azure/azure-sdk-for-java/pull/32401).