message: build: add atscott to unavailable list for pullapprove
  atscott is unavailable to review PRs until no longer OOO
  PR Close
diff: version: 3
  -# availability:
  -# users_unavailable:
  +availability:
  + users_unavailable:
  + - atscott
  # Meta field that goes unused by PullApprove to allow for defining aliases to be
  # used throughout the config.
  