Add version 3.3.0 to changelog

CHANGELOG.md

@@ -4,6 +4,16 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### [Unreleased][unreleased]
 
+#### Fixed
+
+#### Changed
+
+#### Added
+
+#### Removed
+
+### [3.3.0] - 2020-04-21
+
 #### Fixed
 - [#355]: Cannot remove plugin jar file after unloading
 - [#359]: Calls to `File.mkdirs` in unzip logic may silently fail
@@ -372,7 +382,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 #### Removed
 
-[unreleased]: https://github.com/decebals/pf4j/compare/release-3.2.0...HEAD
+[unreleased]: https://github.com/decebals/pf4j/compare/release-3.3.0...HEAD
+[3.3.0]: https://github.com/decebals/pf4j/compare/release-3.2.0...release-3.3.0
 [3.2.0]: https://github.com/decebals/pf4j/compare/release-3.1.0...release-3.2.0
 [3.1.0]: https://github.com/decebals/pf4j/compare/release-3.0.0...release-3.1.0
 [3.0.0]: https://github.com/decebals/pf4j/compare/release-2.6.0...release-3.0.0