feat: Add support for remaining Codespaces APIs

[Not-Dhananjay-Mishra]

Relates: #2362
This PR adds support for remaining endpoint of Codespaces

• GET /repos/{owner}/{repo}/codespaces/devcontainers
• GET /repos/{owner}/{repo}/codespaces/new
• GET /repos/{owner}/{repo}/codespaces/permissions_check
• POST /repos/{owner}/{repo}/pulls/{pull_number}/codespaces
• POST /user/codespaces
• GET /user/codespaces/{codespace_name}
• PATCH /user/codespaces/{codespace_name}
• POST /user/codespaces/{codespace_name}/exports
• GET /user/codespaces/{codespace_name}/exports/{export_id}
• POST /user/codespaces/{codespace_name}/publish

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.54%. Comparing base (8ca48dd) to head (1b244af).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@ Coverage Diff @@## master #3886 +/- ##
==========================================
+ Coverage 92.48% 92.54% +0.05% 
==========================================
Files 200 200 Lines 14564 14679 +115 ==========================================
+ Hits 13469 13584 +115 
Misses 895 895 Partials 200 200 

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[gmlewis]

Thank you, @Not-Dhananjay-Mishra!

[Not-Dhananjay-Mishra]

@gmlewis, Thanks for the suggestions! Fixed 👍

[gmlewis]

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

cc: @stevehipwell - @alexandear - @zyfy29

[alexandear]

Left some suggestions. Feel free to ask questions.

[Not-Dhananjay-Mishra]

@alexandear Thanks for suggestions! Done the changes

[gmlewis]

Thank you, @alexandear!
Merging.