Refactor codebase to async/await - `m365 spo folder add` until `m365 spo folder roleassignment add`

This issue is for the refactoring of the `m365 spo folder add` until `m365 spo folder roleassignment add` commands, more specifically:

- m365 spo folder add
- m365 spo folder get
- m365 spo folder list
- m365 spo folder remove
- m365 spo folder rename
- m365 spo folder retentionlabel ensure
- m365 spo folder retentionlabel remove
- m365 spo folder rolassignment add