Removed the fixed version for Microsoft.EntityFrameworkCore and added conditional references for versions 7.0.20, 8.0.15, and 9.0.4 based on target frameworks net7.0, net8.0, and net9.0, respectively.
Removed the fixed version for Microsoft.EntityFrameworkCore and added conditional references for versions 7.0.20, 8.0.15, and 9.0.4 based on target frameworks net7.0, net8.0, and net9.0, respectively.