user/libxfce4util: upgrade to 4.18.1

user/libxfce4util/APKBUILD

 # Contributor: Síle Ekaterin Liszka <sheila@vulpine.house>
 # Maintainer: Síle Ekaterin Liszka <sheila@vulpine.house>
 pkgname=libxfce4util
-pkgver=4.16.0
+pkgver=4.18.1
 pkgrel=0
 pkgdesc="Utility library for the XFCE desktop environment"
 url="https://xfce.org"
@@ -31,4 +31,4 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="dce6992c3da73367461d7464794a9b2a5503666113682e07a86e18b1c5383de2b087809448d5729097571f4fda6b4af5f4f4600848514ab2ab4b3f367ca26f5c  libxfce4util-4.16.0.tar.bz2"
+sha512sums="e1459e2268948c8329394bdca56f7e7bef7739b56559c00ce6d70dfbedd038cd73a4873be34b91dbd94a80afc16e2b0e1cc256d3ff4d8fdeef9162fbdb3772cd  libxfce4util-4.18.1.tar.bz2"