Rename meson options to modern name

meson.build

-# SPDX-FileCopyrightText: 2016-2023 Bruce Cowan <bruce@bcowan.me.uk>
+# SPDX-FileCopyrightText: 2016-2024 Bruce Cowan <bruce@bcowan.me.uk>
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 project('rugby', 'c',
   version: '0.4.alpha',
   license:'GPLv3+',
-  meson_version: '>= 0.59.0',
+  meson_version: '>= 1.1.0',
   default_options: [
     'buildtype=debugoptimized',
     'c_std=gnu11',