[gtk-osx] Update Gtk+-3.0 to 3.24.23.

[John Ralls <jralls src gnome org>]

commit ba5af596153d1dc237d225a26c358879a099800b
Author: John Ralls <jralls ceridwen us>
Date:   Mon Nov 16 21:17:45 2020 -0800

    Update Gtk+-3.0 to 3.24.23.
    
    Required for proper scaling on Retina Macs when building on macOS 11.0 Big Sur.

 modulesets-stable/gtk-osx.modules | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/modulesets-stable/gtk-osx.modules b/modulesets-stable/gtk-osx.modules
index f723dad..75d0794 100644
--- a/modulesets-stable/gtk-osx.modules
+++ b/modulesets-stable/gtk-osx.modules
@@ -323,8 +323,8 @@ configurations of WebKit.
 
   <autotools id="gtk+-3.0" autogen-sh="autogen.sh"
              autogenargs="--enable-quartz-backend --enable-quartz-relocation">
-    <branch module="gtk+/3.24/gtk+-3.24.20.tar.xz" version="3.24.20"
-            hash="sha256:2dac69f716e8d04ba7a95091589e2baaec95dcace932cb15839163db479b1df3">
+    <branch module="gtk+/3.24/gtk+-3.24.23.tar.xz" version="3.24.23"
+            hash="sha256:5d864d248357a2251545b3387b35942de5f66e4c66013f0962eb5cb6f8dae2b1">
     </branch>
     <dependencies>
       <dep package="glib"/>