Prepare v1.1.6

Signed-off-by: Sora Morimoto <sora@morimoto.io>

Author: smorimoto

CHANGELOG.md

@@ -2,15 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+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]
+## [unreleased]
+
+## [1.1.6]
 
 ### Changed
 
-- Windows installs Cygwin to D:\cygwin, using faster Azure temporary storage.
+- Windows installs Cygwin to `D:\cygwin`, using faster Azure temporary storage.
 
 ## [1.1.5] - 2020-12-15
 
@@ -75,7 +77,8 @@ that require it.
 
 - Initial release.
 
-[unreleased]: https://github.com/avsm/setup-ocaml/compare/v1.1.5...HEAD
+[unreleased]: https://github.com/avsm/setup-ocaml/compare/v1.1.6...HEAD
+[1.1.6]: https://github.com/avsm/setup-ocaml/compare/v1.1.5...v1.1.6
 [1.1.5]: https://github.com/avsm/setup-ocaml/compare/v1.1.4...v1.1.5
 [1.1.4]: https://github.com/avsm/setup-ocaml/compare/v1.1.3...v1.1.4
 [1.1.3]: https://github.com/avsm/setup-ocaml/compare/v1.1.2...v1.1.3