add release date to changelog (#13590)

iscai-msft · web-flow · commit 46cc2589a39b · 2020-09-04T17:56:39.000-04:00
diff --git a/sdk/keyvault/azure-keyvault-certificates/CHANGELOG.md b/sdk/keyvault/azure-keyvault-certificates/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Release History
 
-## 4.2.1 (Unreleased)
+## 4.2.1 (2020-09-08)
 ### Fixed
 - Correct typing for paging methods
 - Fixed incompatibility issues with API version 2016-10-01
