Migrate all repositories away from master

[chapulina]

Ticket to keep track of all the remaining efforts to migrate all our repositories from master to main.

• https://github.com/ignitionrobotics

  • All non-archived code repositories using main
  • https://github.com/ignitionrobotics/design
  • https://github.com/ignitionrobotics/docs - must update doc deployment first
  • https://github.com/ignitionrobotics/ign-bazel
  • https://github.com/ignitionrobotics/ign-rndf
  • https://github.com/ignitionrobotics/ign-rviz

• https://github.com/ignition-release

  • All non-archived repositories using main

• https://github.com/ignition-tooling

  • https://github.com/ignition-tooling/action-ignition-ci (must update all code repositories first)
  • https://github.com/ignition-tooling/action-ignition-ci-bazel
    • Created a bionic branch off master
  • https://github.com/ignition-tooling/gazebodistro
    • Created a main branch off master
  • https://github.com/ignition-tooling/pr-collection-labeler
  • https://github.com/ignition-tooling/release-tools
  • https://github.com/ignition-tooling/gzdev

• https://github.com/osrf

  • https://github.com/osrf/sdformat (After Edifice release)
  • https://github.com/osrf/bash-yaml (used in ignition.dsl)