Update changelog

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Fixed
+## [0.12.4] - 2019-09-22
+- Fixed install template
+
 ## [0.12.3] - 2019-09-22
 ### Fixed
 - Fixed concatenation support of strings with double numbers
@@ -218,7 +222,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed casting resource to int (only ZendEngine 3)
   [#1524](https://github.com/phalcon/zephir/issues/1524)
 
-[Unreleased]: https://github.com/phalcon/zephir/compare/0.12.3...HEAD
+[Unreleased]: https://github.com/phalcon/zephir/compare/0.12.4...HEAD
+[0.12.4]: https://github.com/phalcon/zephir/compare/0.12.3...0.12.4
 [0.12.3]: https://github.com/phalcon/zephir/compare/0.12.2...0.12.3
 [0.12.2]: https://github.com/phalcon/zephir/compare/0.12.1...0.12.2
 [0.12.1]: https://github.com/phalcon/zephir/compare/0.12.0...0.12.1