Updating StackifyLib.log4net version to 2.1.6

Author: homiedopie

Src/StackifyLib.log4net/StackifyLib.log4net.csproj

@@ -13,7 +13,7 @@
     <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
     <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
     <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
-    <Version>2.1.6-beta</Version>
+    <Version>2.1.6</Version>
     <PackageLicenseUrl>https://github.com/stackify/stackify-api-dotnet/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/stackify/stackify-api-dotnet</PackageProjectUrl>
     <RepositoryUrl>https://github.com/stackify/stackify-api-dotnet</RepositoryUrl>