Update xunit-dotnet monorepo to v2.8.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
xunit	2.7.1 -> 2.8.0
xunit.runner.visualstudio	2.5.8 -> 2.8.0

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Release Notes

xunit/xunit (xunit)

v2.8.0

Compare Source

xunit/visualstudio.xunit (xunit.runner.visualstudio)

v2.8.0

Compare Source

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.95%. Comparing base (2ac4fb1) to head (1a0aa2f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #145   +/-   ##
=======================================
  Coverage   65.95%   65.95%           
=======================================
  Files           9        9           
  Lines         467      467           
  Branches       40       40           
=======================================
  Hits          308      308           
  Misses        143      143           
  Partials       16       16           

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