Add `automatic_copilot_code_review_enabled` parameter to ruleset API

[GitHub Copilot code review (Public Preview) · community · Discussion #141896](https://github.com/orgs/community/discussions/141896)

not documented now) https://docs.github.com/ja/rest/repos/rules?apiVersion=2022-11-28#create-a-repository-ruleset

but the parameter already exists) https://github.com/orgs/community/discussions/146284#discussioncomment-11464927

