 Refactor codebase to async/await - `m365 spo contenttype` and `m365 spo contenttypehub` 

This issue is for the refactoring of the  `m365 spo contenttype` and `m365 spo contenttypehub` commands, more specifically:

- m365 spo contenttype add
- m365 spo contenttype field remove
- m365 spo contenttype field set
- m365 spo contenttype get
- m365 spo contenttype list
- m365 spo contenttype remove
- m365 spo contenttype set
- m365 spo contenttypehub get