1.20.0

Enhancements

• Add Xcode 13.0 object version support.
  Dimitris Koutsogiorgas
  #825

• Add support to parse OTHER_LDFLAGS arg files using '@'
  dnkoutso
  #820

• Allow accessing a Launch Action's Simulated Location (LocationScenarioReference)
  freak4pc
  #813

• Add support for group options when using the sort command
  zanchee
  imachumphries
  #807

• Add support for pre/post-actions in scheme actions
  thiagohmcruz
  #401

• Bump Xcode version constants for Xcode 12.3
  chuganzy
  amorde
  #793

• Bump Xcode version constants for Xcode 12.4
  esteluk
  #806

Bug Fixes

• Update Swift packages annotations to match Xcode
  Tommaso Madonia

• Update format of generated schemes to match the ordering Xcode uses,
  minimizing the amount of time it takes to open projects in Xcode.
  Samuel Giddins