docs: update changelog

Author: maartenpaauw

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to `laravel-specification-pattern` will be documented in this file.
 
-## Unreleased
+## [v1.1.0] - 2022-03-07
 
 ### Added
 
@@ -12,4 +12,5 @@ All notable changes to `laravel-specification-pattern` will be documented in thi
 
 - initial release
 
+[v1.1.0]: https://github.com/maartenpaauw/laravel-specification-pattern/compare/v1.0.0...v1.1.0
 [v1.0.0]: https://github.com/maartenpaauw/laravel-specification-pattern/releases/tag/v1.0.0