chore(release): 1.4.0

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [1.4.0](https://gitlab.nexdev.uk/pub/rails-base-image-builder/-/compare/v1.3.6...v1.4.0) (2021-08-23)
+
+
+### Features
+
+* updated rspec to latest version, along with mailchecker and ddtrace ([c11346e](https://gitlab.nexdev.uk/pub/rails-base-image-builder/-/commit/c11346ec39629e2cfdcba7d05f8e3cd818a267f7))
+
 ### [1.3.6](https://gitlab.nexdev.uk/pub/rails-base-image-builder/-/compare/v1.3.5...v1.3.6) (2021-08-23)