Distinguish based on .NET version

[MASES Public Developers Team]

Is your feature request related to a problem? Please describe.
Upon next release of .NET 8 and Entity Framework Core 8 the package shall distinguish functionalities based on .NET version since Entity Framework Core 8 will wok on .NET 8 only

Describe the solution you'd like
Modify the project to accept multiple frameworks and change packages based on the framework in use:

• Entity Framework Core 6 will work with .NET 6
• Entity Framework Core 7 will work with .NET 7
  and when generally available Entity Framework Core 8 will work with .NET 8

The code adaptation shall be made using compilation conditions

Describe alternatives you've considered
Create multiple packages.

Additional context
N/A