message: Prepare a Gazebo 0.4 release
  Summary: Update with the new features, some of which are breaking changes.
diff: @@ -36,7 +36,7 @@ static_assertions = "1.1.0"
  thiserror = "1.0.9"
  starlark_module = { version = "0.4.0", path = "../starlark_module" }
  # @oss-disable: gazebo = { path = "../../gazebo/gazebo", features = ["str_pattern_extensions"] }
  -gazebo = { version = "0.3.3", features = ["str_pattern_extensions"] } # @oss-enable
  +gazebo = { version = "0.4.0", features = ["str_pattern_extensions"] } # @oss-enable
  # @oss-disable: linter = { path = "../../linter/linter" }
  structopt = "0.3.0"
  walkdir = "2.3"
  