Update dependency xunit.runner.visualstudio to 3.1.1

Author: renovate[bot]

tests/Grafana.OpenTelemetry.Tests/Grafana.OpenTelemetry.Tests.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.1" />
   </ItemGroup>
 
   <ItemGroup>