Bump Microsoft.AspNetCore from 2.3.0 to 2.3.9#445

dependabot[bot] wants to merge 1 commit intomainmenes-dotnet/Menes:mainfrom

dependabot/nuget/Solutions/Menes.Testing.AspNetCoreSelfHosting/Microsoft.AspNetCore-2.3.9menes-dotnet/Menes:dependabot/nuget/Solutions/Menes.Testing.AspNetCoreSelfHosting/Microsoft.AspNetCore-2.3.9Copy head branch name to clipboard