Use new email

PKGBUILD

-# Maintainer: Sven-Hendrik Haase <sh@lutzhaase.com>
+# Maintainer: Sven-Hendrik Haase <svenstaro@archlinux.org>
 # Contributor: Adria Arrufat <adria.arrufat AT protonmail+aur DOT com>
 # Contributor: Sami B. <spidermario@free.fr>
 # Contributor: Yunhui Fu <yhfdev@gmail.com>