conformance 1.7.20 4

[abergs]

This is based on #456 and results in a 100% pass on the v1.7.20-4 tool.

• FIDO Conformance Tools v1.7.15 fixes
• Json serialization fix
• Unit test fix
• tokenbindig, AppId, UVP
• unit test fix (tokenbinding dto parsing)
• fix azure pipeline
• Improve trustanchor test coverage
• TestPackedttestationAsyncFailTrustAnchorOnRootCertInTrustPath only works on Windows
• Do not make this private
• Keep Tokenbinding around
• Update AuthenticatorAssertionResponse.cs
• Added XML comments to requestTokenBinding

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 67.39130% with 15 lines in your changes missing coverage. Please review.

Project coverage is 74.79%. Comparing base (cb71a15) to head (97762f6). Report is 20 commits behind head on master.

Files with missing lines	Patch %	Lines
Src/Fido2/TokenBindingDto.cs	20.00%	6 Missing and 2 partials :warning:
...ls/Objects/AuthenticationExtensionsClientInputs.cs	0.00%	2 Missing :warning:
Src/Fido2/AuthenticatorAttestationResponse.cs	50.00%	1 Missing and 1 partial :warning:
Src/Fido2.Models/CredentialCreateOptions.cs	50.00%	1 Missing :warning:
Src/Fido2/AuthenticatorAssertionResponse.cs	66.66%	0 Missing and 1 partial :warning:
Src/Fido2/TrustAnchor.cs	94.11%	0 Missing and 1 partial :warning:

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #531      +/-   ##
==========================================
+ Coverage   73.95%   74.79%   +0.84%     
==========================================
  Files          98      102       +4     
  Lines        2638     2742     +104     
  Branches      446      464      +18     
==========================================
+ Hits         1951     2051     +100     
+ Misses        586      582       -4     
- Partials      101      109       +8     

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[abergs]

@aseigler See mentions. If you don't have time too look at them at the moment I might move those changes to a secondary PR wand wait for your review, while still landing some of these fixes.