message: Fix glutin version in CHANGELOG.md
diff: ## Version 0.27.0 (2020-03-26)
  -- Updated glutin to version 0.23.0. See the glutin release notes [here](https://github.com/rust-windowing/glutin/blob/master/CHANGELOG.md#version-0240-2020-03-11).
  +- Updated glutin to version 0.24.0. See the glutin release notes [here](https://github.com/rust-windowing/glutin/blob/master/CHANGELOG.md#version-0240-2020-03-11).
  ## Version 0.26.0 (2020-02-09)
  