chore(deps): update .net test stack to 31.19.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Verify.TUnit	31.19.0 → 31.19.1

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Release Notes

VerifyTests/Verify (Verify.TUnit)

v31.19.1

Compare Source

• #​1746 Mark passthrough string Verify overloads as [StringSyntax("*")]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (1c0af96) to head (6786364).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #921   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           21        21           
  Lines          668       668           
  Branches       113       113           
=========================================
  Hits           668       668           

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