Update dependency NLog.Extensions.Logging to v6

Author: dependencyupdates[bot]

src/Directory.Packages.props

@@ -31,7 +31,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Microsoft-WindowsAPICodePack-Shell" Version="1.1.5" />
     <PackageVersion Include="Mindscape.Raygun4Net.NetCore" Version="11.2.1" />
-    <PackageVersion Include="NLog.Extensions.Logging" Version="5.4.0" />
+    <PackageVersion Include="NLog.Extensions.Logging" Version="6.0.2" />
     <PackageVersion Include="NServiceBus" Version="9.2.7" />
     <PackageVersion Include="NServiceBus.AcceptanceTesting" Version="9.2.7" />
     <PackageVersion Include="NServiceBus.AmazonSQS" Version="8.0.0" />