feat: Add automatic_copilot_code_review_enabled parameter to ruleset API

[mikutas]

Fixes: #3505.

implemented the parameter as optional , but it's based on supposition.
It's optional https://github.com/orgs/community/discussions/141896#discussioncomment-12489418

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.21%. Comparing base (56f5036) to head (ba7a77c).
Report is 12 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3506   +/-   ##
=======================================
  Coverage   91.21%   91.21%           
=======================================
  Files         182      182           
  Lines       15930    15930           
=======================================
  Hits        14531    14531           
  Misses       1225     1225           
  Partials      174      174           

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[gmlewis]

Thank you, @mikutas!
LGTM.
Merging.