message: ci: remove atscott from unavailable list
  atscott is no longer OOO long term and is available.
  PR Close
diff: version: 3
  -availability:
  - users_unavailable:
  - - atscott # August 15 - September 20 (at least)
  +# availability:
  +# users_unavailable:
  # Meta field that goes unused by PullApprove to allow for defining aliases to be
  # used throughout the config.
  