community/borgmatic: upgrade to 1.6.4

community/borgmatic/APKBUILD

 # Contributor: Michał Polański <michal@polanski.me>
 # Maintainer: Michał Polański <michal@polanski.me>
 pkgname=borgmatic
-pkgver=1.6.3
+pkgver=1.6.4
 pkgrel=0
 pkgdesc="Simple, configuration-driven backup software for servers and workstations"
 url="https://torsion.org/borgmatic/"
@@ -38,5 +38,5 @@ package() {
 }
 
 sha512sums="
-3171a90f9474b9303c9857d43b82fbf4f3a19a5ea5956f071e5e3524e3ac90064767e4ffd543cdbcd5fecd23b02e07bb7642315b4f2e0f3832c51a5172a8e9ba  borgmatic-1.6.3.tar.gz
+cae4008cd03dad1b25a69322c8c6ae2b0c1a6f498c68a97fe68303a466c2d47ac98527f08c482421fc80507d34840e7ddc37d4763ada5d332a4ba030db794b5b  borgmatic-1.6.4.tar.gz
 "