Merge pull request #23 from newrelic/release_prep

update changelog

Author: breedx-nr

CHANGELOG.md

@@ -4,14 +4,22 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.0-rc2] - 2019-10-03
+## 2.1 (2020-08-27)
+- Add support for Dropwizard request logging
+
+## 2.0 (2020-07-20)
+- log4j2 minimum version updated to 2.13.1
+- add `ContextDataProvider` and remove requirement of setting `messageFactory`
+- jackson minimum version updated to 2.11.1
+
+## 1.0-rc2 (2019-10-03)
 ### log4j2
 - Reduce requirement to 2.8 from 2.12
 - Address a potential concurrency issue
 
 ### logback
 - Reduce requirement to 1.2.0 from 1.2.3
 
-## [1.0-rc1] - 2019-09-18
+## 1.0-rc1  (2019-09-18)
 ### Initial public release of the extensions
 - Support for decorating logs with New Relic metadata.