Bump xunit.v3 from 3.2.2 to 4.0.0

---
updated-dependencies:
- dependency-name: xunit.v3
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

LibCpp2ILTests/LibCpp2ILTests.csproj

@@ -16,7 +16,7 @@
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
-        <PackageReference Include="xunit.V3" Version="3.2.2" />
+        <PackageReference Include="xunit.V3" Version="4.0.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" PrivateAssets="all">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>