updated changelog date

Author: schulzefelix

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All Notable changes to `laravel-search-console` will be documented in this file.
 
-## [1.2.0] - 2018-10-30
+## [1.2.0] - 2019-02-28
  - Add Compatibility With Laravel 5.8
  - drop support for Laravel 5.7 and lower
  - drop support for PHP 7.1 and lower