[ServiceBus] 7.1.0 Release update changelog (#17135)

yunhaoling · web-flow · commit 13ed0b90a64b · 2021-03-05T20:10:38.000-08:00
* update changelog

* add python3.5 drop information
diff --git a/sdk/servicebus/azure-servicebus/CHANGELOG.md b/sdk/servicebus/azure-servicebus/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Release History
 
-## 7.1.0 (Unreleased)
+## 7.1.0 (2021-03-09)
+
+This version will be the last version to officially support Python 3.5, future versions will require Python 2.7 or Python 3.6+.
 
 **New Features**
 
