Description of the problem, including code/CLI snippet

This setting in a project's CI configuration is not currently settable via cli

Expected Behavior

gitlab project update --id xxxx --ci_forward_deployment_enabled false

Actual Behavior

gitlab: error: unrecognized arguments: --ci_forward_deployment_enabled false

Specifications

• python-gitlab version: 2.7.1
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com): 13.10.3