core: bump django from 4.1.7 to 4.2 (#5238)

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

* start changelog

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

* initial postgres upgrade guide

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

* Apply suggestions from code review

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Jens L. <jens@beryju.org>
Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* update header

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

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Signed-off-by: Jens L. <jens@beryju.org>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>

.github/workflows/ci-main.yml

@@ -88,8 +88,8 @@ jobs:
       fail-fast: false
       matrix:
         psql:
-          - 11-alpine
           - 12-alpine
+          - 15-alpine
     steps:
       - uses: actions/checkout@v3
       - name: Setup authentik env