main/gzip: upgrade to 1.13

main/gzip/APKBUILD

 # Contributor: Leonardo Arena <rnalrd@alpinelinux.org>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gzip
-pkgver=1.12
-pkgrel=1
+pkgver=1.13
+pkgrel=0
 pkgdesc="Popular data compression program"
 subpackages="$pkgname-doc"
 url="https://www.gnu.org/software/gzip/"
 arch="all"
 license="GPL-3.0-or-later"
 depends="less"
+checkdepends="diffutils grep perl"
 source="https://ftp.gnu.org/gnu/gzip/gzip-$pkgver.tar.xz"
 
 # secfixes:
@@ -47,5 +48,5 @@ package() {
 }
 
 sha512sums="
-116326fe991828227de150336a0c016f4fe932dfbb728a16b4a84965256d9929574a4f5cfaf3cf6bb4154972ef0d110f26ab472c93e62ec9a5fd7a5d65abea24  gzip-1.12.tar.xz
+e3d4d4aa4b2e53fdad980620307257c91dfbbc40bcec9baa8d4e85e8327f55e2ece552c9baf209df7b66a07103ab92d4954ac53c86c57fbde5e1dd461143f94c  gzip-1.13.tar.xz
 "