change log for release (Azure#48124)

Author: cdxu-147

sdk/servicenetworking/Azure.ResourceManager.ServiceNetworking/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.1.0-beta.1 (Unreleased)
+## 1.1.0-beta.1 (2025-02-06)
 
 ### Features Added
 
@@ -9,12 +9,6 @@
 - Added CRUD Operations for Application Gateway for Containers (AGC) Security Policy
 - Bumped api-version to `2025-01-01`
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.0.1 (2023-11-30)
 
 ### Features Added