Increment package version after release of security/keyvault/azcertificates (#23623)

sdk/security/keyvault/azcertificates/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/azcertificates/version.go

@@ -8,5 +8,5 @@ package azcertificates
 
 const (
 	moduleName = "github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azcertificates"
-	version    = "v1.2.0"
+	version    = "v1.2.1"
 )