Update assembly file version to 6.0

Author: BHoMBot

Psychrometrics_Engine/Properties/AssemblyInfo.cs

@@ -54,7 +54,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("5.0.0.0")]
-[assembly: AssemblyFileVersion("5.3.0.0")]
+[assembly: AssemblyVersion("6.0.0.0")]
+[assembly: AssemblyFileVersion("6.0.0.0")]