breeze-gtk: update to 5.15.4

[ci skip]

srcpkgs/breeze-gtk/template

@@ -1,6 +1,6 @@
 # Template file for 'breeze-gtk'
 pkgname=breeze-gtk
-version=5.15.3
+version=5.15.4
 revision=1
 build_style=cmake
 hostmakedepends="extra-cmake-modules sassc python3 python3-cairo"
@@ -10,7 +10,7 @@ maintainer="John <johnz@posteo.net>"
 license="LGPL-2.1-or-later"
 homepage="https://projects.kde.org/projects/plasma/breeze-gtk"
 distfiles="${KDE_SITE}/plasma/${version}/${pkgname}-${version}.tar.xz"
-checksum=4426839fb30cc088a1cedad4c542fc7c0d07a266c3c40ec03c0003ecdd10e3e5
+checksum=e3b13105cc39d5c914ab81b6a10da9b16cb9a9a7058c13a0486fd02af40f7bd9
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" qt5-devel"