Expose method to update enabled clients for a connection

[namoscato]

Checklist

• I have looked into the Readme, Examples, and FAQ and have not found a suitable solution or answer.
• I have looked into the API documentation and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• I agree to the terms within the Auth0 Code of Conduct.

Describe the problem you'd like to have solved

The SDK does not currently expose a method to Update enabled clients for a connection.

Describe the ideal solution

ConnectionsManager exposes a method that allows for updating enabled clients (i.e. connections.updateEnabledClients()).

Alternatives and current workarounds

ConnectionsManager has to be extended with custom functionality.

Additional context

No response