Increment package version after release of security/keyvault/azadmin (#23622)

sdk/security/keyvault/azadmin/CHANGELOG.md

@@ -1,5 +1,15 @@
 ## Release History
 
+### 1.2.1 (Unreleased)
+
+#### Features Added
+
+#### Breaking Changes
+
+#### Bugs Fixed
+
+#### Other Changes
+
 ### 1.2.0 (2024-10-21)
 
 #### Features Added

sdk/security/keyvault/azadmin/internal/version.go

@@ -8,5 +8,5 @@ package internal
 
 const (
 	ModuleName = "github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azadmin"
-	Version    = "v1.2.0"
+	Version    = "v1.2.1"
 )