Relax package references in NSwag.Generation.AspNetCore to work with v5 assemblies #3476

 NSwag.Generation.AspNetCore 13.11.1 requires Microsoft.Extensions.DependencyInjection.Abstractions (>= 3.1.0 && < 4.0.0) but version Microsoft.Extensions.DependencyInjection.Abstractions 5.0.0 was resolved.
D:\a\1\s\proj\proj.csproj : warning NU1608: Detected package version outside of dependency constraint: NSwag.Generation.AspNetCore 13.11.1 requires Microsoft.Extensions.Options (>= 3.1.0 && < 4.0.0) but version Microsoft.Extensions.Options 5.0.0 was resolved.
  All projects are up-to-date for restore.
D:\a\1\s\proj\proj.csproj : warning NU1608: Detected package version outside of dependency constraint: NSwag.Generation.AspNetCore 13.11.1 requires Microsoft.Extensions.DependencyInjection.Abstractions (>= 3.1.0 && < 4.0.0) but version Microsoft.Extensions.DependencyInjection.Abstractions 5.0.0 was resolved.
D:\a\1\s\proj\proj.csproj : warning NU1608: Detected package version outside of dependency constraint: NSwag.Generation.AspNetCore 13.11.1 requires Microsoft.Extensions.Options (>= 3.1.0 && < 4.0.0) but version Microsoft.Extensions.Options 5.0.0 was resolved.