community/gnome-online-accounts: move maintainership to team/gnome

Not sure why this hadn't been done before.

community/gnome-online-accounts/APKBUILD

 # Contributor: Rasmus Thomsen <oss@cogitri.dev>
-# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+# Maintainer: team/gnome <ncopa@alpinelinux.org>
 pkgname=gnome-online-accounts
 pkgver=3.50.1
-pkgrel=0
+pkgrel=1
 pkgdesc="Single sign-on framework for GNOME"
 url="https://wiki.gnome.org/Projects/GnomeOnlineAccounts"
 arch="all"