chore(deps): update dependency xunit.runner.visualstudio to v3

Author: renovate[bot]

Server.Tests/Server.Tests.csproj

@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
     <PackageReference Include="Snapshooter.Xunit" Version="1.0.1" />
   </ItemGroup>