prepare for release (#49722)

Co-authored-by: Hari K <kha@microsoft.com>

Author: hari9-9

sdk/keyvault/azure-security-keyvault-administration/CHANGELOG.md

@@ -1,18 +1,12 @@
 # Release History
 
-## 4.9.0-beta.1 (Unreleased)
+## 4.9.0-beta.1 (2026-07-03)
 
 ### Features Added
 
 - Added support for service version `2026-01-01-preview`
 - Added support for External Key Management (EKM) features using clients `KeyVaultEkmClient` and `KeyVaultEkmAsyncClient`
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 4.8.0 (2026-05-27)
 
 ### Features Added

sdk/keyvault/azure-security-keyvault-keys/CHANGELOG.md

@@ -1,18 +1,12 @@
 # Release History
 
-## 4.12.0-beta.1 (Unreleased)
+## 4.12.0-beta.1 (2026-07-03)
 
 ### Features Added
 
 - Added the `ExternalKey` model and the `CreateExternalKeyOptions` options class, along with the `KeyClient.createExternalKey` and `KeyAsyncClient.createExternalKey` methods (and their `WithResponse` variants), for registering a Managed HSM key whose material is held in an external HSM (External Key Management). Only supported on Managed HSM with service version `2026-01-01-preview` or newer.
 - Added support for service version `2026-01-01-preview`.
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 4.11.0 (2026-05-27)
 
 ### Features Added

sdk/keyvault/azure-security-keyvault-keys/tsp-location.yaml

@@ -1,4 +1,4 @@
 directory: specification/keyvault/data-plane/Keys
-commit: 95af8f327225a57d9c8460daf672864ac71310d4
+commit: 0e47f51219c4dac6a75e69a75d158298b852eda3
 repo: Azure/azure-rest-api-specs
 cleanup: true