update changelog

Author: springdoc

CHANGELOG.md

@@ -4,6 +4,13 @@ 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/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.19] - 2019-12-23
+
+### Changed 
+- Preserve order of @Parameters for spring-boot 2.2 #289
+### Removed
+- Remove @EnableWebMvc from SwaggerConfig (not needed for Spring Boot) #236 #150
+
 ## [1.2.19] - 2019-12-22
 
 ### Addded