system/cmake: bump to 3.15.1

system/cmake/APKBUILD

 # Contributor: Valery Kartel <valery.kartel@gmail.com>
 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=cmake
-pkgver=3.14.5
+pkgver=3.15.1
 pkgrel=0
 pkgdesc="Cross-platform build system"
 url="https://cmake.org"
@@ -51,4 +51,4 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="9acd2de17db86052801194cac570bfc104320c249b83058aa59554b42c3d5af9c9293d1c069f3fe8512a80103d511186d840168cbc190ce9584ca99cb9b11e46  cmake-3.14.5.tar.gz"
+sha512sums="6900a84c7764034331fb6f00801841a7a3e667ac39813c35ceb3db983b33a5bf6addbbc8539c39a0c0be9e10204c79d6236886a9d50ce901a56275b53619ec73  cmake-3.15.1.tar.gz"