feat: Add support for delegated bypass in code security org config

[tstollin]

Fixes: #3918.

[tstollin]

Tested with our company enterprise where we try to configure code security programmatically.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.45%. Comparing base (5458fbc) to head (bfe41ab).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3920   +/-   ##
=======================================
  Coverage   92.45%   92.45%           
=======================================
  Files         203      203           
  Lines       14954    14954           
=======================================
  Hits        13826    13826           
  Misses        926      926           
  Partials      202      202           

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[gmlewis]

Thank you, @tstollin.
Please unit tests (either new or update existing ones) that demonstrate the inclusion of the new fields.

[tstollin]

Thank you, @tstollin. Please unit tests (either new or update existing ones) that demonstrate the inclusion of the new fields.

Thanks for the feedback @gmlewis. I've added a new unit test and the security_configuration_id field to the BypassReviewer. The new field is automatically added by GitHub in responses.
Regarding the unit test I'm not sure whether this suffices. If it does not, I would be grateful for any advice.

[tstollin]

Unfortunately, I missed point 6. of "submitting a patch" in your https://github.com/google/go-github/blob/master/CONTRIBUTING.md and did force-pushes. :(
Is there any chance to salvage this PR?