bump to v6.0.2

Remove unnecessary net6.0 deps

Upgrade to v15.4.0

bump to v5.13.2

update Source .csproj

bump to v5.12.0

bump to v5.11

bump to v5.10.4

Merge branch 'master' of https://github.com/ServiceStack/ServiceStack…

….Redis

clean up