Update changelog for PR #264

Author: paulrd

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * [#251](https://github.com/clojure-emacs/refactor-nrepl/pull/251) `clean-ns` support extra message key `relative-path`, which will be used if `path` does not exist.
 * [#256](https://github.com/clojure-emacs/refactor-nrepl/pull/256) ignore malformed artifact coordinates when fetching from Clojars.
+* [#264](https://github.com/clojure-emacs/refactor-nrepl/pull/264) less bandwidth used to fetch artifacts from Clojars
 
 ## 2.4.0