message: chore: Update CHANGELOG for v3.9.2 release
diff: All notable changes to this project will be documented in this file.
  See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
  +# 3.9.2 (2020-07-21)
  +
  +### Components
  +- fix(button): Remove literal fontFamily ([#787](https://github.com/Workday/canvas-kit/pull/787)) [@lychyi](https://github.com/lychyi)
  +
  # 3.9.1 (2020-07-07)
  ### Components
  