message: Use a dummy version number on master
  Currently we assign release version number in release branches and
  master was still pointing to some old version number from when the
  process was different. We need a dummy version number that both setuptools
  and npm are ok with.
diff: {
  "name": "superset",
  - "version": "0.23.0dev",
  + "version": "0.999.0dev",
  "description": "Superset is a data exploration platform designed to be visual, intuitive, and interactive.",
  "license": "Apache-2.0",
  "directories": {
  