Adds deprecation tag.

Author: szabosteve

specification/indices/delete_template/IndicesDeleteTemplateRequest.ts

@@ -28,6 +28,7 @@ import { Duration } from '@_types/Time'
  * @availability stack stability=stable
  * @cluster_privileges manage_index_templates
  * @doc_id indices-delete-template-v1
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [

specification/indices/get_template/IndicesGetTemplateRequest.ts

@@ -31,6 +31,7 @@ import { Duration } from '@_types/Time'
  * @doc_id indices-get-template-v1
  * @ext_doc_id index-templates
  * @cluster_privileges manage_index_templates
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [

specification/indices/put_template/IndicesPutTemplateRequest.ts

@@ -53,6 +53,7 @@ import { Duration } from '@_types/Time'
  * @cluster_privileges manage_index_templates, manage
  * @doc_id index-templates-v1
  * @ext_doc_id index-templates
+ * @deprecated 7.8.0
  */
 export interface Request extends RequestBase {
   urls: [