Add changelog entry for 2.8.1

Author: frangio

packages/cli/changelog.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## v2.8.1 - 2020-04-08
+
+### Fixed
+- Fixed a bug preventing usage of `deploy` with contracts from dependencies. ([#1515](https://github.com/OpenZeppelin/openzeppelin-sdk/pull/1515))
+
 ## v2.8.0 - 2020-03-25
 
 ### Added