Rollback AlphaFS to our forked version

Rollback AlphaFS to our forked version which has support for deleting Junction Points

Author: tw17

source/Calamari.Shared/Calamari.Shared.csproj

@@ -67,7 +67,7 @@
     <PackageReference Include="Microsoft.Web.Xdt" Version="2.1.1" />
     <PackageReference Include="NuGet.CommandLine" Version="2.8.6" />
     <PackageReference Include="NuGet.Core" Version="2.14.0" />
-    <PackageReference Include="AlphaFS" Version="2.1.3" />
+    <PackageReference Include="AlphaFS" Version="2.1.3-octopus0006" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration.Install" />
     <Reference Include="System.Core" />