main/py-django: security upgrade to 1.11.29

see #11288

main/py-django/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=py-django
 _pkgname=Django
-pkgver=1.11.28
+pkgver=1.11.29
 pkgrel=0
 pkgdesc="A high-level Python Web framework"
 url="http://djangoproject.com/"
@@ -16,6 +16,8 @@ source="https://files.pythonhosted.org/packages/source/${_pkgname:0:1}/$_pkgname
 builddir="$srcdir"/$_pkgname-$pkgver
 
 # secfixes:
+#   1.11.29-r0:
+#     - CVE-2020-9402
 #   1.11.28-r0:
 #     - CVE-2020-7471
 #   1.11.27-r0:
@@ -97,4 +99,4 @@ _py() {
 	done
 }
 
-sha512sums="d814cf8637367133edc231eff78ae5444d2ea431e4eecf89733bb57bec62b5a9eb0751cb8b28205e05975a0ebd96a8480118b2790e98b319643675e13f205af0  Django-1.11.28.tar.gz"
+sha512sums="dc8d1c5c09f998bf7015967961247e56a9c1dd55701534c6bce6dac2270a5531e1162d9bcbf5ec5f4d411d2d0dc820c82fd9b69628c5ff944bb9f1a22290a562  Django-1.11.29.tar.gz"