main/alpine-conf: upgrade to 3.7.0_rc2

main/alpine-conf/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=alpine-conf
-pkgver=3.7.0_rc1
+pkgver=3.7.0_rc2
 pkgrel=0
 pkgdesc="Alpine configuration management scripts"
 url=http://git.alpinelinux.org/cgit/$pkgname
@@ -24,4 +24,4 @@ package() {
 	done
 }
 
-sha512sums="98f1bbb88a717c2c391b7d3e33b5fc00673e22800bc823ce706de24766b145a9cbc6c43812b2ee775258527a12256516e43bcda2354060456e57da484cf3a565  alpine-conf-3.7.0_rc1.tar.xz"
+sha512sums="9d12fba17effb800826394641797bed16735871764c1897e05af67a936f2c55bed95b267bd6b73c5d684080b8060a10cd2bccfd5efeff4a4c1222b550d3466fc  alpine-conf-3.7.0_rc2.tar.xz"