Fix ccs_minimize_roundtrips default value

Author: pquentin

specification/_global/search_template/SearchTemplateRequest.ts

@@ -69,8 +69,8 @@ export interface Request extends RequestBase {
      */
     allow_no_indices?: boolean
     /**
-     * If `true`, network round-trips are minimized for cross-cluster search requests.
-     * @server_default false */
+     * Indicates whether network round-trips should be minimized as part of cross-cluster search requests execution.
+     * @server_default true */
     ccs_minimize_roundtrips?: boolean
     /**
      * The type of index that wildcard patterns can match.