Correct release dates

I don't know what I was thinking 😅

Author: djtarazona

Diff for: CHANGELOG.md

@@ -4,11 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [0.10.1] - 2019-05-19
+## [0.10.1] - 2019-05-18
 ### Fixed
 - A regression where the `resolve` command would not serialize the resolved YAML
 
-## [0.10.0] - 2019-05-19
+## [0.10.0] - 2019-05-18
 ### Changed
 - Switched to using [yaml] for validating and parsing YAML ([#243], [#267])