Bump MediatR from 12.1.1 to 14.0.0#27

dependabot[bot] wants to merge 1 commit intomainddekerf/enigma-machine:mainfrom

dependabot/nuget/EnigmaMachine.Application/MediatR-14.0.0ddekerf/enigma-machine:dependabot/nuget/EnigmaMachine.Application/MediatR-14.0.0Copy head branch name to clipboard