Release v3.4.2.

Author: kdeldycke

changelog.rst

@@ -1,10 +1,8 @@
 Changelog
 =========
 
-`3.4.2 (unreleased) <https://github.com/kdeldycke/meta-package-manager/compare/v3.4.1...develop>`_
---------------------------------------------------------------------------------------------------
-
-.. note:: This version is not yet released and is under active development.
+`3.4.2 (2020-09-13) <https://github.com/kdeldycke/meta-package-manager/compare/v3.4.1...v3.4.2>`_
+-------------------------------------------------------------------------------------------------
 
 * [brew,cask] Do not mix-up brew and cask upgrades.
 * [npm] Skip parsing of JSON results on error.