prepare release for provisioning dns (#54245)

Author: ArcturusZhang

sdk/provisioning/Azure.Provisioning.Dns/CHANGELOG.md

@@ -1,8 +1,6 @@
 # Release History
 
-## 1.0.0-beta.2 (Unreleased)
-
-### Features Added
+## 1.0.0-beta.2 (2025-12-02)
 
 ### Breaking Changes
 
@@ -13,8 +11,6 @@
 
 - `DnsCnameRecord.Cname`: property is now backed by the correct Bicep field ( `.properties.CNAMERecord.cname` )
 
-### Other Changes
-
 ## 1.0.0-beta.1 (2025-11-07)
 
 ### Features Added