message: update changelog for v0.38.0
diff: @@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  +## [0.38.0] - 2021-05-04
  +### Adds
  + - warning for mismatched class method accessibility ([#402](https://github.com/rokucommunity/brighterscript/pull/402))
  + - allow class field overrides in child classes as long as they are the same type ([#394](https://github.com/rokucommunity/brighterscript/pull/394))
  +
  +
  +
  ## [0.37.4] - 2021-04-20
  ### Fixed
  - bug validating namespace function calls ([#390](https://github.com/rokucommunity/brighterscript/pull/390))
  @@ -1091,3 +1098,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  [0.37.2]: https://github.com/rokucommunity/brighterscript/compare/v0.37.1...v0.37.2
  [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
  