add release date

dev-nicolaos · dev-nicolaos · commit 2c6ced3c759a · 2020-11-16T07:53:16.000-08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## Unreleased
 
-## 0.12.0
+## 0.12.0 - 2020-11-16
 
 ### Added
 
