core: bump django from 4.1.7 to 4.2 (#5151)

* core: bump django from 4.1.7 to 4.2

Bumps [django](https://github.com/django/django) from 4.1.7 to 4.2.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/4.1.7...4.2)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* upgrade to psycopg3, use custom engine for prometheus metrics

See https://github.com/korfuri/django-prometheus/issues/350

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* make scripts use pscopg3

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jens Langhammer <jens@goauthentik.io>

lifecycle/wait_for_db.py

@@ -5,7 +5,7 @@ from sys import exit as sysexit
 from time import sleep
 from urllib.parse import quote_plus
 
-from psycopg2 import OperationalError, connect
+from psycopg import OperationalError, connect
 from redis import Redis
 from redis.exceptions import RedisError