message: Update a Cargo.toml version number
  Summary: Had missed this when bumping the other versions.
diff: [package]
  name = "starlark"
  edition = "2018"
  -version = "0.4.0"
  +version = "0.5.0"
  license = "Apache-2.0"
  description = "An implementation of the Starlark language in Rust."
  documentation = "https://docs.rs/starlark"
  