Feature/builtin common auth handlers

[Adolfok3]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 83.75000% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.36%. Comparing base (9609b09) to head (734ffaa).

Files with missing lines	Patch %	Lines
...erceptor/Options/OAuth2ClientCredentialsOptions.cs	58.62%	6 Missing and 6 partials ⚠️
...rs/OAuth2ClientCredentialsAuthenticationHandler.cs	97.36%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #34      +/-   ##
==========================================
- Coverage   92.74%   91.36%   -1.39%     
==========================================
  Files          16       18       +2     
  Lines         441      521      +80     
  Branches       62       77      +15     
==========================================
+ Hits          409      476      +67     
- Misses         18       24       +6     
- Partials       14       21       +7     

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