update changelog (#24292)

* update changelog

* update changelog

Author: xiangyan99

sdk/core/azure-core/CHANGELOG.md

@@ -1,17 +1,11 @@
 # Release History
 
-## 1.24.0 (Unreleased)
+## 1.24.0 (2022-05-05)
 
 ### Features Added
 
 - Add `SerializationError` and `DeserializationError` in `azure.core.serialization` for errors raised during serialization / deserialization  #24113
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.23.1 (2022-03-31)
 
 ### Bugs Fixed

sdk/identity/azure-identity/CHANGELOG.md

@@ -1,17 +1,11 @@
 # Release History
 
-## 1.11.0b1 (Unreleased)
+## 1.11.0b1 (2022-05-10)
 
 ### Features Added
 
 - Added `validate_authority` support for msal client  ([#22625](https://github.com/Azure/azure-sdk-for-python/issues/22625))
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.10.0 (2022-04-28)
 
 ### Breaking Changes