feat: support RoleSessionExpiration for OIDCCredential

[yndu13]

You need to complete

• unit tests and/or feature tests
• documentation is changed or added

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f9ce06a) 91.66% compared to head (d8860e4) 91.69%.

❗ Current head d8860e4 differs from pull request most recent head 6f06583. Consider uploading reports for the commit 6f06583 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #55      +/-   ##
==========================================
+ Coverage   91.66%   91.69%   +0.02%     
==========================================
  Files          20       20              
  Lines        1212     1216       +4     
==========================================
+ Hits         1111     1115       +4     
  Misses         82       82              
  Partials       19       19              

Flag	Coverage Δ
credentials-go	91.69% <100.00%> (+0.02%)	⬆️

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