Upgrade xUnit nuget package

Author: Jericho

Source/HttpMultipartParser.UnitTests/HttpMultipartParser.UnitTests.csproj

@@ -19,7 +19,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="17.14.2" />
-    <PackageReference Include="xunit.v3" Version="2.0.3" />
+    <PackageReference Include="xunit.v3" Version="3.0.1" />
   </ItemGroup>
 
   <ItemGroup>