PHPC-2254: Relax server selection timeout error message pattern (#1587)

libmongoc 1.28 now includes the topology type in the server selection error message.

This makes the expected error message consistent with other tests.

tests/ocsp-failure.phpt

@@ -29,5 +29,5 @@ $m->executeCommand('admin', $ping);
 <?php exit(0); ?>
 --EXPECTF--
 OK: Got MongoDB\Driver\Exception\ConnectionTimeoutException
-No suitable servers found (`serverSelectionTryOnce` set): [%s calling %s on '%s:%d']
+No suitable servers found (`serverSelectionTryOnce` set): %s
 ===DONE===