Fixes the api-ref response

The response returned from the Create Tags API
'/v2/metadefs/namespaces/{namespace_name}/tags' does not match
the response in api-ref.
This patch corrects the api-ref response.

Closes-Bug: #1939690
Change-Id: Icdafa6f55b434977d83148a0b0a958f35e99afac

Author: Mridula Joshi

api-ref/source/v2/metadefs-namespaces-tags.inc

@@ -212,7 +212,7 @@ Response Parameters
 Response Example
 ----------------
 
-.. literalinclude:: samples/metadef-tag-create-response.json
+.. literalinclude:: samples/metadef-tags-create-response.json
    :language: json