PHPC-1439: Skip transaction tests on sharded clusters < 4.2

Author: alcaeus

tests/session/session-getTransactionOptions-001.phpt

@@ -3,7 +3,7 @@ MongoDB\Driver\Session::getTransactionOptions()
 --SKIPIF--
 <?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
 <?php skip_if_not_libmongoc_crypto(); ?>
-<?php skip_if_server_version('<', '4.0'); ?>
+<?php skip_if_no_transactions(); ?>
 --FILE--
 <?php
 require_once __DIR__ . "/../utils/basic.inc";