ALLOWED_HOSTS must be a list or tuble for django 4.x

[Corey Bryant]

This is a problem in zed now that django 4.x is available in kinetic.

Collecting and compressing static assets...
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 259, in fetch_command
    app_name = commands[subcommand]
KeyError: 'collectstatic'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/share/openstack-dashboard/manage.py", line 25, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 446, in execute_from_command_line
    utility.execute()
  File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 440, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 266, in fetch_command
    settings.INSTALLED_APPS
  File "/usr/lib/python3/dist-packages/django/conf/__init__.py", line 87, in __getattr__
    self._setup(name)
  File "/usr/lib/python3/dist-packages/django/conf/__init__.py", line 74, in _setup
    self._wrapped = Settings(settings_module)
  File "/usr/lib/python3/dist-packages/django/conf/__init__.py", line 199, in __init__
    raise ImproperlyConfigured(
django.core.exceptions.ImproperlyConfigured: The ALLOWED_HOSTS setting must be a list or a tuple.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/charm-openstack-dashboard/+/850397

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/charm-openstack-dashboard/+/850397
Committed: https://opendev.org/openstack/charm-openstack-dashboard/commit/c3f138ed27a507a9fd1d851ce78144b6fb845b99
Submitter: "Zuul (22348)"
Branch: master

commit c3f138ed27a507a9fd1d851ce78144b6fb845b99
Author: Corey Bryant <email address hidden>
Date: Tue Jul 19 11:47:02 2022 -0400

    ALLOWED_HOSTS must be list format for django 4.x

    Closes-Bug: #1982199
    Change-Id: I9f4251995481ca5970cb901c2fe27de3c5e31749