File reduce-meson-required-version.patch of Package wireplumber

From: Antonio Larrosa <alarrosa@suse.com>
Subject: Reduce the minimum required meson version

With this, we can build wireplumber in SLE 15 SP3/Leap 15.3
which only have meson 0.54

Index: wireplumber/meson.build
===================================================================
--- wireplumber.orig/meson.build
+++ wireplumber/meson.build
@@ -1,3 +1,3 @@
   license : 'MIT',
-  meson_version : '>= 0.56.0',
+  meson_version : '>= 0.54.0',
   default_options : [
@@ -123,8 +123,8 @@ endif
 
 conf_uninstalled = configuration_data()
 conf_uninstalled.set('MESON', '')
-conf_uninstalled.set('MESON_SOURCE_ROOT', meson.project_source_root())
-conf_uninstalled.set('MESON_BUILD_ROOT', meson.project_build_root())
+conf_uninstalled.set('MESON_SOURCE_ROOT', meson.source_root())
+conf_uninstalled.set('MESON_BUILD_ROOT', meson.build_root())
 
 wp_uninstalled = configure_file(
   input : 'wp-uninstalled.sh',