feat: support traffic features for OIDC provider

[zhaohuabing]

Implement: #7755

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.38%. Comparing base (85f44d3) to head (62b1444).

Files with missing lines	Patch %	Lines
internal/xds/translator/oidc.go	85.71%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7757      +/-   ##
==========================================
+ Coverage   72.36%   72.38%   +0.01%     
==========================================
  Files         234      234              
  Lines       34562    34579      +17     
==========================================
+ Hits        25012    25030      +18     
- Misses       7759     7760       +1     
+ Partials     1791     1789       -2     

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[zhaohuabing]

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