refactor!: Update teams create & update patterns

[stevehipwell]

BREAKING CHANGE: CreateTeam and UpdateTeamBy* now take new body params by value.

This PR updates the teams create and update patterns to use the new request naming with seperate requests for create and update and adds support for linking parent teams by slug.

On the create path we've added the new ParentTeamSlug field and removed the unsupported LDAPDN field. On the update path we've removed added the new ParentTeamSlug field and a RemoveParentTeam field to replace the boolean in the method signature, as well as making Name optional and removing the unsupported Maintainers, RepoNames & LDAPDN fields.

[gmlewis]

Thank you, @stevehipwell!
LGTM.
Awaiting second LGTM+Approval from any other contributor to this repo before merging.

cc: @alexandear - @Not-Dhananjay-Mishra

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.55%. Comparing base (848675f) to head (d9445fd).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4446      +/-   ##
==========================================
- Coverage   97.55%   97.55%   -0.01%     
==========================================
  Files         194      194              
  Lines       19892    19884       -8     
==========================================
- Hits        19406    19398       -8     
  Misses        268      268              
  Partials      218      218              

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[gmlewis]

@stevehipwell - please see if you can improve the codecov results for this PR or let me know if you need assistance.

[stevehipwell]

@stevehipwell - please see if you can improve the codecov results for this PR or let me know if you need assistance.

@gmlewis that was an oversight on my behalf as it looks like non-exported types don't get stringify tests generated, however with the change suggested by @alexandear that whole type will be removed anyway.