* +semver: major upgrading from net5.0 to net6.0
* packages upgraded
* removed global.json for ocelot sf sample
* update build image
* test new build
* remove make
* fix tests
* make test fail like in CI
* tests passing locally
* updated docs
Co-authored-by: TGP <thomasgardham-pallister@Thomass-MacBook-Pro-2.local>