message: [pdsl_core] Update authors
diff: [package]
  name = "pdsl_core"
  version = "0.1.0"
  -authors = ["Herobird <robbepop@web.de>"]
  +authors = ["Robin Freyler <robin@parity.io>", "Parity Technologies <admin@parity.io>"]
  edition = "2018"
  license = "MIT/Apache-2.0"
  