message: update changelog for v0.4.3
diff: @@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +## [0.4.3] - 2020-04-03
  +### Changed
  + - the `bsc` cli now emits a nonzero return code whenever parse errors are encountered, which allows tools to detect compile-time errors. (#43)
  +
  +
  +
  ## [0.4.2] - 2020-04-01
  ### Changed
  - upgraded to [roku-deploy@3.0.0](https://www.npmjs.com/package/roku-deploy/v/3.0.0)
  