main/postmarketos-release-upgrade: upgrade to 1.3.0 (MR 3690)

main/postmarketos-release-upgrade/APKBUILD

 # Maintainer: Oliver Smith <ollieparaoid@postmarketos.org>
 pkgname=postmarketos-release-upgrade
-pkgver=1.2.1
+pkgver=1.3.0
 pkgrel=0
 pkgdesc="Upgrade from one pmOS release to the next one"
 url="https://gitlab.com/postmarketOS/postmarketos-release-upgrade/"
@@ -16,5 +16,5 @@ package() {
 }
 
 sha512sums="
-f68561f2c7f97e9d76b14d5ca38277d0f8a612df3d91dd0da7289591b6e191471a05460c2650e0be19f2ec58f51e80155a65ddf361243a0d245bf01737fb75a1  postmarketos-release-upgrade-1.2.1.tar.bz2
+bfa37c75d6a93c72f785ce373dc677877516d5cfdeceaf9250e5b1be7a66e40a39997940850fbaa6e6e619f9d0e41f54f6cd26413a1ad88c97bcf692cdd32b33  postmarketos-release-upgrade-1.3.0.tar.bz2
 "