Merge pull request #4636 from Particular/dependabot/nuget/src/NLog.Extensions.Logging-5.3.15

Bump NLog.Extensions.Logging from 5.3.14 to 5.3.15 in /src

Author: johnsimons

src/Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Microsoft-WindowsAPICodePack-Shell" Version="1.1.5" />
     <PackageVersion Include="Mindscape.Raygun4Net.NetCore" Version="11.1.2" />
-    <PackageVersion Include="NLog.Extensions.Logging" Version="5.3.14" />
+    <PackageVersion Include="NLog.Extensions.Logging" Version="5.3.15" />
     <PackageVersion Include="NServiceBus" Version="9.2.3" />
     <PackageVersion Include="NServiceBus.AcceptanceTesting" Version="9.2.3" />
     <PackageVersion Include="NServiceBus.AmazonSQS" Version="7.1.1" />