[gnome-initial-setup] meson: Fix project license

[Will Thompson <wjt src gnome org>]

commit be5c04a093d45422bacbfd9faf0f0e0c2ee213ed
Author: Will Thompson <wjt endlessos org>
Date:   Fri Jan 7 14:33:39 2022 +0000

    meson: Fix project license
    
    GNOME Initial Setup is distributed under the terms of the GNU General Public License,
    version 2 or later. Previously, we told Meson it was distributed under
    GPLv2 only. Use the SPDX-specified identifier for the project's actual
    license.
    
    https://mesonbuild.com/Reference-manual_functions.html#arguments38
    https://spdx.org/licenses/GPL-2.0-or-later.html

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 7206ece2..fa67311c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('gnome-initial-setup',
         ['c'],
         version: '42.beta',
-        license: 'GPLv2',
+        license: 'GPL-2.0-or-later',
         meson_version: '>= 0.53.0',
 )