budgie-desktop: mark as broken due to not adapting to new mutter.

srcpkgs/budgie-desktop/template

@@ -9,7 +9,7 @@ makedepends="libglib-devel gtk+3-devel libpeas-devel pulseaudio-devel gnome-desk
  libuuid-devel polkit-devel gettext-devel ibus-devel accountsservice-devel
  upower-devel gnome-bluetooth-devel"
 depends="gnome-session gnome-settings-daemon"
-build_style="meson"
+build_style=meson
 # Needs gobject-introspection and libgirepository-devel, vala, gjs ...
 nocross=yes
 short_desc="Budgie desktop"
@@ -18,6 +18,7 @@ license="GPL-2, LGPL-2.1"
 homepage="https://github.com/budgie-desktop/budgie-desktop"
 distfiles="https://github.com/budgie-desktop/${pkgname}/releases/download/v${version}/${pkgname}-${version}.tar.xz"
 checksum=17da8efe56a73426117f89eed8f2a1236c592042acb8d3fec063b24ebe124245
+broken="depends on old mutter version"
 
 post_extract() {
 	# subprojects with overlapping source trees no longer allowed