testing/gnome-backgrounds: upgrade to 3.32.0

* modernize APKBUILD
* adopt maintainership

testing/gnome-backgrounds/APKBUILD

-# Maintainer: 
+# Maintainer: Rasmus Thomsen <oss@cogitri.dev>
 pkgname=gnome-backgrounds
-pkgver=3.30.0
+pkgver=3.32.0
 pkgrel=0
-pkgdesc="backgrounds for the GNOME desktop environment"
-url="https://www.gnome.org/"
-arch="noarch !s390x"
-license="GPL"
-makedepends="gnome-desktop-dev meson ninja"
+pkgdesc="Default wallpaper set for GNOME"
+url="https://gitlab.gnome.org/GNOME/gnome-backgrounds"
+arch="noarch"
+license="GPL-2.0-or-later CC-BY-2.0 CC-BY-SA-2.0 CC-BY-SA-3.0"
+makedepends="meson gettext-dev"
 subpackages="$pkgname-lang"
-source="https://download.gnome.org/sources/$pkgname/${pkgver%.*}/$pkgname-$pkgver.tar.xz"
-builddir="$srcdir/$pkgname-$pkgver"
+source="https://download.gnome.org/sources/gnome-backgrounds/${pkgver%.*}/gnome-backgrounds-$pkgver.tar.xz"
 
 build() {
-	mkdir -p "$builddir"/build
-	cd "$builddir"/build
 	meson \
 		--prefix=/usr \
 		--buildtype=release \
-		--sysconfdir=/etc ..
-	ninja
+		--sysconfdir=/etc \
+		--datadir=/usr/share \
+		output .
+	ninja -C output
 }
 
 check() {
-	cd "$builddir"/build
-	ninja test
+	ninja -C output test
 }
 
 package() {
-	cd "$builddir"/build
-	export GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL=1
-	DESTDIR="$pkgdir" ninja install
+	DESTDIR="$pkgdir" ninja -C output install
 }
 
-sha512sums="a9fd254126448613681e64c841fb0e29a8d1e18adad3aa0c225555d01fbe0a33139486595d8537293425510d56826379caaac2e02157f2c2a9289cdad3bc040c  gnome-backgrounds-3.30.0.tar.xz"
+sha512sums="7165f6102bc39b18253ea82f4039a1caca1b2ece6b5e98323c66a24221e6861b74e31d39e07782658ad76282e55d45136314dafb9ea0bcd3d4652aece2ba3797  gnome-backgrounds-3.32.0.tar.xz"