[mutter] build: Bump pipewire dependency

[Marge Bot <marge-bot src gnome org>]

commit 3981cc81472d45063fcc71c1d0a3bfab71fbee31
Author: columbarius <co1umbarius protonmail com>
Date:   Tue Dec 7 17:19:14 2021 +0100

    build: Bump pipewire dependency
    
    We require `SPA_POD_PROP_FLAG_MANDATORY` and
    `SPA_POD_PROP_FLAG_DONT_FIXATE` from PipeWire.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1939>

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 14d9d0de50..38661fd1aa 100644
--- a/meson.build
+++ b/meson.build
@@ -48,7 +48,7 @@ libinput_req = '>= 1.19.0'
 gbm_req = '>= 17.3'
 
 # screen cast version requirements
-libpipewire_req = '>= 0.3.21'
+libpipewire_req = '>= 0.3.33'
 
 # profiler requirements
 sysprof_req = '>= 3.37.2'