kde-gtk-config5: update to 5.21.4.

srcpkgs/kde-gtk-config5/template

@@ -1,6 +1,6 @@
 # Template file for 'kde-gtk-config5'
 pkgname=kde-gtk-config5
-version=5.21.3
+version=5.21.4
 revision=1
 wrksrc="${pkgname%5}-${version}"
 build_style=cmake
@@ -15,7 +15,7 @@ maintainer="John <me@johnnynator.dev>"
 license="GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://invent.kde.org/plasma/kde-gtk-config"
 distfiles="${KDE_SITE}/plasma/${version}/${pkgname%5}-${version}.tar.xz"
-checksum=30e88dded1de4f5d096afa20c6ce148da800123c5e8318e44c0540258555de9d
+checksum=c8034212a9a10877e61917084003bece052e3b65aac0197014b1c1840b0df03c
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" kcoreaddons"