Authenticate MySQL components using Azure AD

[ItalyPaleAle]

Describe the feature

Just like #2595 is for Postgres, we should add support for authenticating with Azure AD to MySQL components.

Docs:

• Single server: https://learn.microsoft.com/en-us/azure/mysql/single-server/concepts-azure-ad-authentication
• Flexible server: https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-azure-ad-authentication

Release Note

RELEASE NOTE: ADD Support for Azure AD authentication to MySQL components

[ItalyPaleAle]

This is currently blocked by a required change in an upstream dependency: https://github.com/go-sql-driver/mysql/pull/1469