Update dependency xunit.runner.visualstudio to 3.1.5

Author: renovate[bot]

src/UnitTests/UnitTests.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="FluentAssertions" Version="7.2.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
 
   <!-- Mark as unit test project -->