Hyperion deserializer version tolerance fails for assemblies

[jarlehjortland]

Version Information
Hyperion version
Describe the bug
LoadTypeByName failes to ignore assembly version since the Type.GetType throws an FileNotFoundException instead of FileLoadException.

To Reproduce
This failes in our .net 5.0 application

Expected behavior
If FileNotFoundException try to load without assembly version

Actual behavior
The FileNotFoundException is returned to caller.

Environment
Windows .Net 5.0

[Aaronontheweb]

closed via #270