SqlStreamInput/Output use TransportVersion from a read-in Version constant. We need to remove the useage of `transportVersion` field
x-pack/plugin/sql/qa/mixed-node/src/javaRestTest/java/org/elasticsearch/xpack/sql/qa/mixed_node/SqlCompatIT.java
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */
package org.elasticsearch.xpack.sql.qa.mixed_node;
import org.apache.http.HttpHost;
import org.elasticsearch.Version;
import org.elasticsearch.client.Request;
import org.elasticsearch.client.Response;
import org.elasticsearch.client.ResponseException;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.core.IOUtils;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentFactory;
import org.elasticsearch.xcontent.json.JsonXContent;
import org.elasticsearch.xpack.ql.TestNode;
import org.elasticsearch.xpack.ql.TestNodes;