Update dependency xunit to 2.9.3

Author: renovate[bot]

tests/PinguApps.Blazor.QRCode.Tests/PinguApps.Blazor.QRCode.Tests.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Verify.Xunit" Version="28.7.1" />
-    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>