message: update changelog for v0.12.4
diff: @@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +## [0.12.4] - 2020-08-06
  +### Fixed
  + - bug in cli that wouldn't properly read bsconfig values. [#167](https://github.com/rokucommunity/brighterscript/issues/167)
  + - bug in cli that doesn't use `retain-staging-folder` argument properly. [#168](https://github.com/rokucommunity/brighterscript/issues/168)
  +
  +
  +
  ## [0.12.3] - 2020-08-03
  ### Fixed
  - bug in the language server that would provide stale completions due to the file throttling introduced in v0.11.2. Now the language server will wait for the throttled parsing to complete before serving completion results.
  @@ -435,6 +442,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +[0.12.4]: https://github.com/rokucommunity/brighterscript/compare/v0.12.3...v0.12.4
  [0.12.3]: https://github.com/rokucommunity/brighterscript/compare/v0.12.2...v0.12.3
  [0.12.2]: https://github.com/rokucommunity/brighterscript/compare/v0.12.1...v0.12.2
  [0.12.1]: https://github.com/rokucommunity/brighterscript/compare/v0.12.0...v0.12.1
  