update tspconfig api version to 2026-01-01-preview for EKM code generation (#44317)

* update tspconfig api version for java

* added config for Keys SDK

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

Author: hari9-9

specification/keyvault/data-plane/Administration/tspconfig.yaml

@@ -26,7 +26,7 @@ options:
     "namespace": "azure.keyvault.administration._generated"
     emitter-output-dir: "{output-dir}/{service-dir}/azure-keyvault-administration"
   "@azure-tools/typespec-java":
-    api-version: "2025-07-01"
+    api-version: "2026-01-01-preview"
     flavor: azure
     emitter-output-dir: "{output-dir}/{service-dir}/azure-security-keyvault-administration"
     namespace: "com.azure.security.keyvault.administration"

specification/keyvault/data-plane/Keys/tspconfig.yaml

@@ -25,7 +25,7 @@ options:
     "namespace": "azure.keyvault.keys._generated"
     emitter-output-dir: "{output-dir}/{service-dir}/azure-keyvault-keys"
   "@azure-tools/typespec-java":
-    api-version: "2025-07-01"
+    api-version: "2026-01-01-preview"
     flavor: azure
     emitter-output-dir: "{output-dir}/{service-dir}/azure-security-keyvault-keys"
     namespace: "com.azure.security.keyvault.keys"