add .net9 support (#367)

Add Carter 9 to Newtonsoft package

generate analyzer package on build (#356)

Add Roslyn Analyzer project (#349)

Obey HttpJsonOptions (#341)

Update target framework to dotnet 8 (#330)

update response negotiator

Changing the scope of Validators to Scoped. (#324)

Upgrade Carter.ResponseNegotiators to reference latest Carter

Make response negotiators generic (#320)