message: update changelog for v0.39.2.
  Added missing changelog diff links.
diff: @@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +## [0.39.2] - 2021-05-28
  +### Changed
  + - upgraded to [roku-deploy@3.4.0](https://github.com/rokucommunity/roku-deploy/blob/master/CHANGELOG.md#340---2021-05-28) which brings significant zip speed improvements
  +
  +
  +
  ## [0.39.1] - 2021-05-24
  [0.39.1]: https://github.com/rokucommunity/brighterscript/compare/v0.39.0...v0.39.1
  ### Changed
  @@ -1136,3 +1142,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  [0.37.3]: https://github.com/rokucommunity/brighterscript/compare/v0.37.2...v0.37.3
  [0.37.4]: https://github.com/rokucommunity/brighterscript/compare/v0.37.3...v0.37.4
  [0.38.0]: https://github.com/rokucommunity/brighterscript/compare/v0.37.4...v0.38.0
  +[0.39.0]: https://github.com/rokucommunity/brighterscript/compare/v0.38.0...v0.39.0
  +[0.39.1]: https://github.com/rokucommunity/brighterscript/compare/v0.39.0...v0.39.1
  +[0.39.2]: https://github.com/rokucommunity/brighterscript/compare/v0.39.1...v0.39.2
  