[json-glib: 6/7] Stop using deprecated 'python3' meson module

[Emmanuele Bassi <ebassi src gnome org>]

commit 30f93b8e478841362132f65a46aeaba5591e617c
Author: Xavier Claessens <xavier claessens collabora com>
Date:   Mon Nov 19 21:21:41 2018 -0500

    Stop using deprecated 'python3' meson module

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index e247049..69c3896 100644
--- a/meson.build
+++ b/meson.build
@@ -151,7 +151,7 @@ root_dir = include_directories('.')
 
 gnome = import('gnome')
 
-python3 = import('python3').find_python()
+python3 = import('python').find_installation()
 gen_installed_test = files('build-aux/gen-installed-test.py')
 
 subdir('json-glib')