[release candidate] pantsbuild.pants 2.10.0rc0

[Eric Arellano]

Hello, I'm excited to announce the first release candidate for 2.10!

See the changelog here. We're actively working this week on updating all the docs for 2.10.

A special shout out to Suresh Joshi for his first contribution adding experimental PyOxidizer support - thank you!

Thanks to all the code contributors, along with folks who shared feedback:

  Alexey Tereshenkov                                  
  Andreas Stenius                                    
  Asher Foa
  Benjy Weinberger
  Christopher Neugebauer
  Eric Arellano
  Joshua Cannon
  Stu Hood
  Suresh Joshi
  Tom Dyas