Update CHANGELOG.md

Author: bronsa

CHANGELOG.md

@@ -2,7 +2,7 @@ Changelog
 ========================================
 Since tools.analyzer.jvm version are usually cut simultaneously with a tools.analyzer version, check also the tools.analyzer [CHANGELOG](https://github.com/clojure/tools.analyzer/blob/master/CHANGELOG.md) for changes on the corresponding version, since changes in that library will reflect on this one.
 - - -
-* Release 0.7.3 on 2 Dec 2018
+* Release 0.7.3 on 2 Dec 2019
   * Bumped deps
 * Release 0.7.2 on 16 Jan 2018
   * Correctly handle deftype analysis when `let` is excluded