feat: X.509 support for CAWG identity SDK

[scouten-adobe]

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[codecov]

Codecov Report

Attention: Patch coverage is 89.79592% with 5 lines in your changes missing coverage. Please review.

Project coverage is 78.82%. Comparing base (0fccae9) to head (a1b350c).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
cawg_identity/src/x509/x509_signature_verifier.rs	81.48%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #880      +/-   ##
==========================================
+ Coverage   78.67%   78.82%   +0.15%     
==========================================
  Files         139      141       +2     
  Lines       32122    32171      +49     
==========================================
+ Hits        25271    25358      +87     
+ Misses       6851     6813      -38     

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