main/hello-world-wrapper: update url (MR 1644)

main/hello-world-wrapper/APKBUILD

 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 pkgname=hello-world-wrapper
 pkgver=1
-pkgrel=3
+pkgrel=4
 pkgdesc="Dependency test package wrapping hello-world"
-url="https://github.org/postmarketOS"
+url="https://postmarketos.org"
 arch="noarch"
 license="MIT"
 depends="hello-world"