message: Edition 2021
diff: name = "argmin"
  version = "0.4.7"
  authors = ["Stefan Kroboth <stefan.kroboth@gmail.com>"]
  -edition = "2018"
  +edition = "2021"
  license = "MIT OR Apache-2.0"
  description = "Mathematical optimization in pure Rust"
  documentation = "https://docs.rs/argmin/"
  