Merge pull request #938 from kapsiR/fix-cake-version

Downgrade Cake.Core to v2.3.0

Author: AArnott

Directory.Packages.props

@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageVersion Include="BenchmarkDotNet.Diagnostics.Windows" Version="$(BenchmarkDotNetVersion)" />
     <PackageVersion Include="BenchmarkDotNet" Version="$(BenchmarkDotNetVersion)" />
-    <PackageVersion Include="Cake.Core" Version="3.0.0" />
+    <PackageVersion Include="Cake.Core" Version="2.3.0" />
     <PackageVersion Include="DotNetMDDocs" Version="0.112.39" />
     <PackageVersion Include="LibGit2Sharp" Version="0.27.0-preview-0182" />
     <PackageVersion Include="Microsoft.Build.Framework" Version="$(MSBuildPackageVersion)" />