plasma-desktop: update to 5.16.4

[ci skip]

srcpkgs/plasma-desktop/template

@@ -1,6 +1,6 @@
 # Template file for 'plasma-desktop'
 pkgname=plasma-desktop
-version=5.16.3
+version=5.16.4
 revision=1
 build_style=cmake
 configure_args="-DBUILD_TESTING=OFF"
@@ -15,7 +15,7 @@ maintainer="John <johnz@posteo.net>"
 license="GPL-2.0-or-later, LGPL-2.0-or-later, LGPL-2.1-or-later, GFDL-1.2"
 homepage="https://projects.kde.org/projects/plasma/plasma-desktop"
 distfiles="${KDE_SITE}/plasma/${version}/${pkgname}-${version}.tar.xz"
-checksum=2c49ce479dacd227324f5cbcb04a0f9903a79740f044eed593c0bf990d124486
+checksum=990e93eed2753053ac732ce5d1d45e7c9a52daa660b41b0d48955428e4834344
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" kconfig-devel kcoreaddons-devel kded