refactor: Migrate secure admin/projects endpoints to Tapir DEV-2806

[seakayone]

Pull Request Checklist

Task Description/Number

Issue Number: DEV-

Basic Requirements

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• fix: represents bug fixes
• refactor: represents production code refactoring
• feat: represents a new feature
• docs: documentation changes (no production code change)
• chore: maintenance tasks (no production code change)
• test: all about tests: adding, refactoring tests (no production code change)
• other... Please describe:

Does this PR introduce a breaking change?

• Yes (/admin/projects/* endpoints do not support providing credentials/tokens in the URL)
• No
• Maybe (not 100% sure => check with FE)

Does this PR change client-test-data?

• Yes (don't forget to update the JS-LIB team about the change)
• No

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (12402f3) 18.00% compared to head (1759a94) 23.23%.
Report is 84 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2872      +/-   ##
==========================================
+ Coverage   18.00%   23.23%   +5.23%     
==========================================
  Files         281      250      -31     
  Lines       28899    23252    -5647     
==========================================
+ Hits         5202     5402     +200     
+ Misses      23697    17850    -5847     

see 182 files with indirect coverage changes

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

[linear]

DEV-2806 Introduce tapi in dsp-api