message: update changelog for v0.39.4
diff: @@ -6,6 +6,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +## [0.39.4] - 2021-06-27
  +[0.39.4]: https://github.com/RokuCommunity/roku-debug/compare/v0.8.3...v0.8.4
  +### Fixed
  + - incorrect block range for inline if/then branch ([#424](https://github.com/rokucommunity/brighterscript/pull/424))
  + - extract associative array comma when parsing ([#427](https://github.com/rokucommunity/brighterscript/pull/424))
  + - allow up to 6 arguments in `CreateObject` function signature ([#430](https://github.com/rokucommunity/brighterscript/pull/430))
  + - add v30/bslCore library functions to global callables ([#433](https://github.com/rokucommunity/brighterscript/pull/433))
  +
  +
  ## [0.39.3] - 2021-06-01
  [0.39.3]: https://github.com/RokuCommunity/roku-debug/compare/v0.8.2...v0.8.3
  ### Changed
  