fix JDBC v2 url retrieval (#2252)

Author: mzitnik

performance/src/test/com/clickhouse/benchmark/clients/BenchmarkBase.java

@@ -306,7 +306,7 @@ protected static Connection getJdbcV2() {
         properties.put("password", getPassword());
 
         Connection jdbcV2 = null;
-        String jdbcURL = jdbcURLV1(isCloud());
+        String jdbcURL = jdbcURLV2(isCloud());
         LOGGER.info("JDBC URL: " + jdbcURL);
 
         try {