main/postmarketos-ui-phosh: install phosh-os-updater in duranium

Enables a sysupdate checker that sends notifications see
https://gitlab.gnome.org/World/Phosh/phosh-session-services/-/commit/2fbf58f83a023ed79c9de9a78aa25c1aa1241bb8.

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8952>

main/postmarketos-ui-phosh/APKBUILD

@@ -3,7 +3,7 @@
 # Co-Maintainer: Achill Gilgenast <achill@achill.org>
 maintainer="Stefan Hansson <newbyte@postmarketos.org>"
 pkgname=postmarketos-ui-phosh
-pkgver=30
+pkgver=31
 pkgrel=0
 pkgdesc="(Wayland) Mobile UI using GNOME components and apps"
 url="https://phosh.mobi"
@@ -36,6 +36,12 @@ _pmb_recommends="
 	"
 _pmb_groups="feedbackd"
 install="$pkgname.post-install $pkgname.post-upgrade"
+subpackages="
+	$pkgname-default-osk:default_osk
+	$pkgname-duranium
+	$pkgname-openrc
+	$pkgname-systemd
+	"
 source="
 	01_postmarketos-ui-phosh.gschema.override
 	mimeapps.list
@@ -44,7 +50,6 @@ source="
 	greetd-phrog.conf
 	"
 options="!check pmb:drm pmb:systemd"
-subpackages="$pkgname-default-osk:default_osk $pkgname-openrc $pkgname-systemd"
 
 package() {
 	install -Dm644 "$srcdir"/01_postmarketos-ui-phosh.gschema.override \
@@ -79,6 +84,14 @@ systemd() {
 		"$subpkgdir"/usr/lib/systemd/system/greetd.service.d/override.conf
 }
 
+duranium() {
+	pkgdesc="$pkgdesc (Duranium configuration)"
+	install_if="$pkgname=$pkgver-r$pkgrel postmarketos-duranium"
+	depends="phosh-os-updater"
+
+	mkdir -p "$subpkgdir"
+}
+
 sha512sums="
 e577b8073df680ccee75ef5b6bb1f2877d5727687d63d6fd9211298e791b6c9f593eb79278c77a4b4918e3c57333c2a012030baf5a3c8d6d16000cc63a030f84  01_postmarketos-ui-phosh.gschema.override
 a741e8db9e4232334b924326c48be4e4c8f7a2382a7608926918a7491c518b2dda551e55a00d4d5fcf58c7950a78dc35d5cc5eaab53ad93a56de40887071f242  mimeapps.list