Update dependency NLog.Extensions.Logging to v6

Author: renovate[bot]

src/Directory.Packages.props

@@ -319,7 +319,7 @@
 	<ItemGroup>
 		<PackageVersion Include="NLog" Version="5.5.0">
 		</PackageVersion>
-		<PackageVersion Include="NLog.Extensions.Logging" Version="5.5.0">
+		<PackageVersion Include="NLog.Extensions.Logging" Version="6.0.3">
 		</PackageVersion>
 		<PackageVersion Include="NLog.Web.AspNetCore" Version="5.5.0">
 		</PackageVersion>