Bump version to 47.4

Update NEWS.

NEWS

@@ -1,3 +1,25 @@
+47.4
+====
+* Use BT709 coefficients and limited range for YUV conversion by defaults
+  [Robert; !4204]
+* Also request high priority secondary EGL context [Jonas; !2973]
+* Fix Xwayland DND coordinates when using fractional scaling [Jonas; !4169]
+* Fix applying initial _NET_WM_WINDOW_OPACITY on Xwayland [Olivier; !4170]
+* Implement wp_viewport support for cursor surfaces [Jonas, Robert; !3859]
+* Improve input → output latency of cursor movements [Michel; !3964]
+* Improve frame rate on monitors attached to secondary GPUs in copy mode
+  [Gert-dev; !4027]
+* Send preferred scales to all surface roles [Jonas; !4205]
+* Misc. bug fixes and cleanups [Bilal, Bartłomiej, Sebastian W., Michel, José,
+  Robert; !4176, !4199, !4157, !4158, !4168, !4149, !4093, !4031, !4196]
+
+Contributors:
+  Michel Dänzer, Bilal Elmoussaoui, José Expósito, Olivier Fourdan, Gert-dev,
+  Robert Mader, Bartłomiej Piotrowski, Sebastian Wick, Jonas Ådahl
+
+Translators:
+  Cas Pascal [vi]
+
 47.3
 ====
 * Fix maximized X11 when using native xwayland scaling [Jonas; !4147]

meson.build

@@ -1,5 +1,5 @@
 project('mutter', 'c',
-  version: '47.3',
+  version: '47.4',
   meson_version: '>= 1.3.0',
   license: 'GPLv2+'
 )