chore(deps): Bump xunit from 2.8.1 to 2.9.0 in /packages/@jsii/dotnet…

…-runtime/src (#4572)

Bumps xunit from 2.8.1 to 2.9.0.


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packages/@jsii/Directory.Build.targets

@@ -12,7 +12,7 @@
 
     <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Update="NSubstitute" Version="5.1.0" />
-    <PackageReference Update="xunit" Version="2.8.1" />
+    <PackageReference Update="xunit" Version="2.9.0" />
     <PackageReference Update="xunit.runner.visualstudio" Version="2.8.1" />
     <PackageReference Update="XunitXml.TestLogger" Version="3.1.17" />