Merge pull request #40 from serilog-contrib/dependabot/nuget/xunit-2.4.2

Bump xunit from 2.4.1 to 2.4.2

Author: 0xced

tests/Serilog.Formatting.Log4Net.Tests.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Serilog.Enrichers.Environment" Version="2.2.0" />
     <PackageReference Include="Serilog.Enrichers.Thread" Version="3.1.0" />
     <PackageReference Include="Verify.Xunit" Version="17.4.2" />
-    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" />
   </ItemGroup>