update carla/gtk4 versions

meson_options.txt

@@ -47,7 +47,7 @@ option (
 
 option (
   'carla-git-ver', type: 'string',
-  value: '8c9edf7d51e49d36772a5f1814c74251ca41a2a9',
+  value: '911ecff73d3ec95bdaf6f31a358bbb1eb3e94c10',
   description: 'Carla version')
 
 option (

windows-msys/PKGBUILD-gtk4-mingw.in

@@ -2,8 +2,8 @@
 _realname=gtk4
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-_commit='12bb700c620c8a9a29947314ab35d0f2a22d795c'
-pkgver=4.5.0
+_commit='4.5.1'
+pkgver=4.5.1
 pkgrel=1
 pkgdesc="Cairo vector graphics library (mingw-w64)"
 arch=('any')