[gnome-contacts] meson: Update to 0.59

[Niels De Graef <nielsdg src gnome org>]

commit 37cf00c7512e363174f5fdd690665341d67d496e
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Fri Feb 18 15:26:56 2022 +0100

    meson: Update to 0.59

 docs/meson.build | 2 +-
 meson.build      | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/docs/meson.build b/docs/meson.build
index 8640f4d2..1bf04cc3 100644
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -1,5 +1,5 @@
 docs_vapidirs = [
-  '--vapidir=@0@'.format(meson.source_root() / 'vapi'),
+  '--vapidir=@0@'.format(meson.project_source_root() / 'vapi'),
 ]
 
 custom_target('docs',
diff --git a/meson.build b/meson.build
index 8d58324d..ce934e34 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('gnome-contacts', [ 'vala', 'c' ],
   version: '42.alpha',
-  meson_version: '>= 0.50',
   license: 'GPL-2.0-or-later',
+  meson_version: '>= 0.59',
 )
 
 gnome = import('gnome')
@@ -9,7 +9,7 @@ i18n = import('i18n')
 
 # Add our custom VAPI dir
 add_project_arguments(
-  ['--vapidir', meson.source_root() / 'vapi'],
+  ['--vapidir', meson.project_source_root() / 'vapi'],
   language: 'vala'
 )
 
@@ -25,7 +25,7 @@ valac = meson.get_compiler('vala')
 config_h_dir = include_directories('.')
 contacts_prefix = get_option('prefix')
 locale_dir = contacts_prefix / get_option('localedir')
-po_dir = meson.source_root() / 'po'
+po_dir = meson.project_source_root() / 'po'
 
 # Dependencies
 min_eds_version = '3.30'