Prepare for May Key Vault release (Azure#2570)

Author: heaths

sdk/keyvault/azure_security_keyvault_certificates/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 0.2.0 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 0.2.0 (2025-05-06)
 
 ### Other Changes
 
+- Updated dependencies.
+
 ## 0.1.0 (2025-04-09)
 
 ### Features Added

sdk/keyvault/azure_security_keyvault_keys/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 0.3.0 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 0.3.0 (2025-05-06)
 
 ### Other Changes
 
+- Updated dependencies.
+
 ## 0.2.0 (2025-04-09)
 
 ### Breaking Changes

sdk/keyvault/azure_security_keyvault_secrets/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 0.3.0 (Unreleased)
+## 0.3.0 (2025-05-06)
 
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## Other Changes
 
-### Other Changes
+- Updated dependencies.
 
 ## 0.2.0 (2025-04-09)