update testing matrix to Django 5.0, Python 3.12, drop testing for ol…

…d versions

.github/workflows/main.yml

@@ -22,30 +22,28 @@ jobs:
 
     strategy:
       matrix:
-        DJANGO_VERSION: [ '2.2.*', '3.0.*', '3.1.*', '3.2.*', '4.0.*', '4.1.*', '4.2.*' ]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        DJANGO_VERSION: ['3.2.*', '4.0.*', '4.1.*', '4.2.*', '5.0.*']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
         exclude:
+          - DJANGO_VERSION: '5.0.*'
+            python-version: '3.7'
+
           - DJANGO_VERSION: '4.2.*'
             python-version: '3.7'
+
           - DJANGO_VERSION: '4.1.*'
             python-version: '3.7'
+
           - DJANGO_VERSION: '4.0.*'
-            python-version: '3.7'
-          - DJANGO_VERSION: '3.1.*'
-            python-version: '3.10'
-          - DJANGO_VERSION: '3.0.*'
-            python-version: '3.10'
-          - DJANGO_VERSION: '2.2.*'
-            python-version: '3.10'
+            python-version: '3.12'
           - DJANGO_VERSION: '4.0.*'
             python-version: '3.11'
+          - DJANGO_VERSION: '4.0.*'
+            python-version: '3.7'
+
+          - DJANGO_VERSION: '3.2.*'
+            python-version: '3.12'
           - DJANGO_VERSION: '3.2.*'
-            python-version: '3.11'
-          - DJANGO_VERSION: '3.1.*'
-            python-version: '3.11'
-          - DJANGO_VERSION: '3.0.*'
-            python-version: '3.11'
-          - DJANGO_VERSION: '2.2.*'
             python-version: '3.11'
       fail-fast: false
     services:
@@ -80,10 +78,6 @@ jobs:
            pip install -q Django==${{ matrix.DJANGO_VERSION }}
            pip install codecov
 
-      - name: Install django-sequences and psycopg2 for older Django versions
-        if: ${{ matrix.DJANGO_VERSION == '2.2.*' || matrix.DJANGO_VERSION == '3.0.*' }}
-        run: pip install "django-sequences<2.7" "psycopg2<2.9"
-
       - name: Run migration check
         run: |
           OUTPUT=$(python demo/manage.py makemigrations --dry-run plans)
@@ -100,7 +94,7 @@ jobs:
           # Run tests for sample app used for testing extensibility
           PYTHONPATH="." MANAGE_PY_PATH="demo/manage.py" SAMPLE_APP=1 demo/manage.py test example
           case "${{ matrix.DJANGO_VERSION }},${{ matrix.python-version }}" in
-            2.2.*,3.7|3.0.*,3.7|3.1.*,3.7|3.2.*,3.7|4.0.*,3.8|4.0.*,3.9|4.0.*,3.10)  # Django runs with warnings in this python version
+            3.2.*,3.7|4.0.*,3.8|4.0.*,3.9|4.0.*,3.10)  # Django runs with warnings in this python version
               PYTHONPATH="." MANAGE_PY_PATH="demo/manage.py" coverage run demo/manage.py test plans
               ;;
             *)