[skipci] TMP: bumped Django to 4.2.28

See stackhpc/requirements#167

Author: elelaysh

etc/kayobe/kolla/kolla-build.conf

@@ -15,7 +15,7 @@ build_args = {{ (kolla_build_args | default({})).items() | map('join', ':') | jo
 [openstack-base]
 type = git
 location = https://github.com/stackhpc/requirements
-reference = stackhpc/{{ openstack_release }}
+reference = bp/bump-django-4.2/2024.1
 
 [etcd]
 version = 3.5.21