* Fix links that point to master to point to main instead.
* Implement support in the sample tester for specifying the default branch for
each sample repo.
* Fix various text / documentation to say 'main' instead of 'master.'
* Push to 'main' instead of 'master' in xamarin-macios-data.
* Fix xharness to make 'main' the special branch with regards to documentation tests as opposed to 'master'.
* Fix various CI to use 'main' instead of 'master'.
* Bump maccore
New commits in xamarin/maccore:
* xamarin/maccore@ed6d146822 Rename 'master' to 'main'. (#2233)
Diff: 424fa26148..ed6d146822
Manuel de la Pena
Rolf Bjarne Kvinge
Jonathan CONTE
Chris Hamons
Sebastien Pouliot