Prerequisites:

• Is the functionality available in the GitHub UI? If so, please provide a link to information about the feature.

Yes, https://docs.github.com/en/copilot/how-tos/agents/copilot-code-review/configuring-automatic-code-review-by-copilot

• Is the functionality available through the GitHub API? If the functionality is available, please provide links to the
  API documentation (https://developer.github.com/v3/) as well as the Octokit documentation (https://octokit.github.io/).

Yes
https://docs.github.com/en/rest/repos/rules?apiVersion=2022-11-28#update-a-repository-ruleset
https://octokit.github.io/rest.js/v22/#repos-update-repo-ruleset

• If the functionality is not yet available in the API, it would be helpful if you
  contacted support (https://support.github.com/) or posted in the Community Forum (https://github.community/). Please
  include a link to the forum post if you create one or a copy of the response from support.

New Feature

Please describe the desired new functionality:

Please add support for the automatic_copilot_code_review_enabled rules parameter to the ruleset rules