Description of the problem, including code/CLI snippet

The command to list gpg keys of the current user contains a typo

gitlab current-user-gpg-keys

Expected Behavior

[List of users gpg keys]

Actual Behavior

gitlab current-user-gpg-keys
gitlab: error: argument what: invalid choice: 'current-user-gpg-keys'...

gitlab current-user-gp-gkeys
Traceback: ...

KeyError: CurrentUserGpGkey

Specifications

• python-gitlab version: 2.6.0
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com): 13.3.9