Update changelog

CHANGELOG.md

@@ -4,7 +4,9 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
-## [2.0.52]
+## [2.0.52] - 2021-10-31
+#### Added
+- Support for ProxyDHCP environments
 
 ## [2.0.51] - 2021-10-15
 #### Added