main/py-django: security upgrade to 1.11.15 (CVE-2018-14574)

fixes #9174

main/py-django/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=py-django
 _pkgname=Django
-pkgver=1.11.13
+pkgver=1.11.15
 pkgrel=0
 pkgdesc="A high-level Python Web framework"
 url="http://djangoproject.com/"
@@ -29,6 +29,8 @@ builddir="$srcdir"/$_pkgname-$pkgver
 #   1.11.11-r0:
 #     - CVE-2018-7536
 #     - CVE-2018-7537
+#   1.11.15-r0:
+#     - CVE-2018-14574
 
 build() {
 	cd "$builddir"
@@ -78,4 +80,4 @@ _py() {
 	done
 }
 
-sha512sums="9552b76f693d2e47681bc24cc8ee19c9c42e194a21e578f28d1705641b2490a1d9289d9870105fb480ebd3f7ad2746b1bee8382857c55ba632192d72426ada06  Django-1.11.13.tar.gz"
+sha512sums="4ea18c59f7c74d0b6deb9d292d5de068c6dcc53d9596f321f5a7e823ff5fe423cc8d69c88bf53e3acd9c36c4ecc4447148243a127d5114a4894b0fd4d449f37e  Django-1.11.15.tar.gz"