--instance option missing for some commands

[nathaner]

Is your feature request related to a problem? Please describe.

When using ggshield auth login and ggshield auth logout, we can specify the instance we target using the --instance option. However, we can't specify this option in other commands that target a specific instance:

• api_status
• quota
• secret

Describe the solution you'd like

Add the option --instance to the commands above so we can target a specific instance.

Describe alternatives you've considered

For now, a bypass is to use the GITGUARDIAN_INSTANCE environment variable.