feat: Add support for Codespaces organizations APIs

[Not-Dhananjay-Mishra]

Relates: #2362
This PR adds support for endpoint of Codespace organizations

• GET /orgs/{org}/codespaces
• PUT /orgs/{org}/codespaces/access
• POST /orgs/{org}/codespaces/access/selected_users
• DELETE /orgs/{org}/codespaces/access/selected_users
• GET /orgs/{org}/members/{username}/codespaces
• DELETE /orgs/{org}/members/{username}/codespaces/{codespace_name}
• POST /orgs/{org}/members/{username}/codespaces/{codespace_name}/stop

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.56%. Comparing base (34bb848) to head (381db67).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@ Coverage Diff @@## master #3892 +/- ##
==========================================
+ Coverage 92.53% 92.56% +0.03% 
==========================================
Files 201 202 +1 Lines 14702 14773 +71 ==========================================
+ Hits 13604 13675 +71 
Misses 897 897 Partials 201 201 

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[gmlewis]

Thank you, @Not-Dhananjay-Mishra!
Just a few minor tweaks, please, then we should be ready for a second LGTM+Approval from any other contributor to this repo before merging.

cc: @stevehipwell - @alexandear - @zyfy29

[Not-Dhananjay-Mishra]

@gmlewis Thanks for suggestions. I’ve made the changes.

[gmlewis]

Thank you, @alexandear!
Merging.