core: revert django update (#5236)

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

This reverts commit 18a4eac527.

* run unittests with postgres 11 and 12

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

---------

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

.github/actions/setup/action.yml

@@ -1,6 +1,11 @@
 name: 'Setup authentik testing environment'
 description: 'Setup authentik testing environment'
 
+inputs:
+  postgresql_tag:
+    description: "Optional postgresql image tag"
+    default: "12"
+
 runs:
   using: "composite"
   steps:
@@ -24,6 +29,7 @@ runs:
     - name: Setup dependencies
       shell: bash
       run: |
+        export PSQL_TAG=${{ inputs.postgresql_tag }}
         docker-compose -f .github/actions/setup/docker-compose.yml up -d
         poetry env use python3.11
         poetry install

.github/actions/setup/docker-compose.yml

@@ -3,7 +3,7 @@ version: '3.7'
 services:
   postgresql:
     container_name: postgres
-    image: library/postgres:12
+    image: library/postgres:${PSQL_TAG:-12}
     volumes:
     - db-data:/var/lib/postgresql/data
     environment:

.github/workflows/ci-main.yml

@@ -80,12 +80,21 @@ jobs:
       - name: migrate to latest
         run: poetry run python -m lifecycle.migrate
   test-unittest:
+    name: test-unittest - PostgreSQL ${{ matrix.psql }}
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        psql:
+          - 11-alpine
+          - 12-alpine
     steps:
       - uses: actions/checkout@v3
       - name: Setup authentik env
         uses: ./.github/actions/setup
+        with:
+          postgresql_tag: ${{ matrix.psql }}
       - name: run unittest
         run: |
           poetry run make test