main/alpine-mirrors: add dl-6 and dl-7

dl-7 replaces mirror.bpiotrowski.pl

main/alpine-mirrors/APKBUILD

 # Contributor: Matt Smith <mcs@darkregion.net>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=alpine-mirrors
-pkgver=3.1
+pkgver=3.1.2
 pkgrel=0
 pkgdesc="List of Alpine Linux Mirrors"
 url="http://alpinelinux.org/"

main/alpine-mirrors/mirrors.yaml

@@ -17,6 +17,12 @@
 - name: dl-5.alpinelinux.org
   urls:
   - http://dl-5.alpinelinux.org/alpine/
+- name: dl-6.alpinelinux.org
+  urls:
+  - http://dl-6.alpinelinux.org/alpine/
+- name: dl-7.alpinelinux.org
+  urls:
+  - http://dl-7.alpinelinux.org/alpine/
 - name: distrib-coffee.ipsl.jussieu.fr
   urls:
   - http://distrib-coffee.ipsl.jussieu.fr/pub/linux/alpine/alpine/
@@ -42,10 +48,6 @@
 - name: mirror1.hs-esslingen.de
   urls:
   - http://mirror1.hs-esslingen.de/pub/Mirrors/alpine/
-- name: mirror.bpiotrowski.pl
-  location: Europe, France
-  urls:
-  - http://mirror.bpiotrowski.pl/alpine/
 - name: mirrors.centarra.com
   location: North America, USA, Texas, Dallas
   urls: