Add missing cause to cluster.put_component_template (#4795)

(cherry picked from commit 1fc197e)

# Conflicts:
#	output/schema/validation-errors.json

Author: pquentin

output/openapi/elasticsearch-openapi.json

@@ -15,6 +15,7 @@
     },
     "cluster.put_component_template": {
       "request": [
+        "Request: query parameter 'cause' does not exist in the json spec",
         "Request: missing json spec query parameter 'timeout'"
       ],
       "response": []

output/openapi/elasticsearch-serverless-openapi.json

@@ -72,6 +72,11 @@ export interface Request extends RequestBase {
      *  If `true`, this request cannot replace or update existing component templates.
      * @server_default false */
     create?: boolean
+    /**
+     * User defined reason for create the component template.
+     * @server_default api
+     */
+    cause?: string
     /**
      * Period to wait for a connection to the master node.
      * If no response is received before the timeout expires, the request fails and returns an error.