1.4.0 readiness

Updates the CHANGELOG.md to set the release date.

CHANGELOG.md

@@ -2,27 +2,24 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.4.0 - TBD
+## 1.4.0 - 2021-04-08
 
-### Added
-
-- Nothing.
 
-### Changed
+-----
 
-- Nothing.
+### Release Notes for [1.4.0](https://github.com/laminas/laminas-httphandlerrunner/milestone/3)
 
-### Deprecated
+Feature release (minor)
 
-- Nothing.
+### 1.4.0
 
-### Removed
-
-- Nothing.
+- Total issues resolved: **0**
+- Total pull requests resolved: **1**
+- Total contributors: **1**
 
-### Fixed
+#### Enhancement
 
-- Nothing.
+ - [8: Initial migration to github ci workflows and psalm integration](https://github.com/laminas/laminas-httphandlerrunner/pull/8) thanks to @gsteel
 
 ## 1.3.0 - 2020-11-19