Prepare release 3.0.0

Author: laurentpellegrino

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.0.0] - 2021-04-09
+### Changed
+- Drop Python 2 support.
+- Rename _DefaultCache_ to _InMemoryCache_.
+
 ## [2.0.1] - 2020-09-25
 - Fix packaging with version 2.0.0 deployed on pypi.
 
@@ -26,7 +31,8 @@ https://github.com/ipregistry/ipregistry-python#caching
 ## [1.0.0] - 2019-07-28
 - First public release.
 
-[Unreleased]: https://github.com/ipregistry/ipregistry-javascript/compare/2.0.1...HEAD
+[Unreleased]: https://github.com/ipregistry/ipregistry-javascript/compare/3.0.0...HEAD
+[3.0.0]: https://github.com/ipregistry/ipregistry-javascript/releases/tag/2.0.1...3.0.0
 [2.0.1]: https://github.com/ipregistry/ipregistry-javascript/releases/tag/2.0.0...2.0.1
 [2.0.0]: https://github.com/ipregistry/ipregistry-javascript/releases/tag/1.1.0...2.0.0
 [1.1.0]: https://github.com/ipregistry/ipregistry-javascript/releases/tag/1.0.0...1.1.0