feat: allow returning root_password in servers rebuild

[jooola]

Fixes #181

Allow returning a full response during the server rebuild by passing an option to the rebuild method. The main reason for this is to not break user land and give users time to upgrade. We also don't want to introduce a new method rebuild2 or rebuild_with_full_response to keep the API clean.

The deprecation timeline is the following:

• Introduce the return_response argument and deprecated the default behavior (return_response=False)
• Wait for the next major release to remove the ability to only return the action and deprecated the usage of the return_response argument.
• Wait for the next+1 major release to fully remove the return_response argument, or simply leave it unused.