Update CHANGELOG

Author: hecrj

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Updated `wgpu` to `0.13`. [#89]
+
+[#89]: https://github.com/hecrj/wgpu_glyph/pull/89
 
 ## [0.16.0] - 2021-12-20
 ### Changed