Add v0.1.1 release to the changelog.

CHANGELOG.md

@@ -9,13 +9,20 @@ The format is based on [Keep a Changelog], and this project adheres to
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
 [Semantic Versioning]: https://semver.org/spec/v2.0.0.html
 
+## [0.1.1] - 2019-10-18
+
+### Added
+
+- Add `StartTime()` test option to configure the initial time of the test clock
+
 ## [0.1.0] - 2019-08-01
 
 - Initial release
 
 <!-- references -->
 [Unreleased]: https://github.com/dogmatiq/testkit
 [0.1.0]: https://github.com/dogmatiq/testkit/releases/tag/v0.1.0
+[0.1.1]: https://github.com/dogmatiq/testkit/releases/tag/v0.1.1
 
 <!-- version template
 ## [0.0.1] - YYYY-MM-DD