CI: matrix Django 4.2/5.2 and add OpenID tests

Mirror the new tox django{42,52} factors in .github/workflows/tests.yml
so both LTS lines are exercised on every push. Also extend the test
command to include askbot.deps.django_authopenid.tests, which previously
were only reachable via tox.

Author: evgenyfadeev

.github/workflows/tests.yml

@@ -12,6 +12,7 @@ jobs:
       max-parallel: 4
       matrix:
         python-version: [3.10.16, 3.11.7, 3.12.3]
+        django-version: ['4.2', '5.2']
 
 #    services:
 #      postgres:
@@ -45,13 +46,18 @@ jobs:
         pip install setuptools-rust
         # install from pyproject.toml
         python -m pip install .
+        # pin Django to the matrix factor so both LTS lines get exercised
+        case "${{ matrix.django-version }}" in
+          4.2) pip install "django>=4.2,<5.0" ;;
+          5.2) pip install "django>=5.2,<5.3" ;;
+        esac
         pip install -r requirements-tests.txt
         cat askbot_setup_test_inputs.txt | askbot-setup
     - name: Run tests
       run: |
         cd askbot_site
         ln -s ../askbot/tests .
-        python manage.py test --parallel auto tests
+        python manage.py test --parallel auto tests askbot.deps.django_authopenid.tests
 #      env:
 #        # Variables for unit tests
 #        DJANGO_SETTINGS_MODULE: settings

askbot/doc/source/changelog.rst

@@ -7,8 +7,9 @@ Development (not yet released)
   Django pin is now ``>=4.2,<5.3``. Replaced removed APIs
   (``get_storage_class``, ``ping_google``), made ``_fixture_setup``
   compatible with Django 5.x's classmethod signature, and adjusted
-  timezone handling for ``USE_TZ=True`` defaults. ``tox.ini`` now
-  exercises both ``django42`` and ``django52`` factors.
+  timezone handling for ``USE_TZ=True`` defaults. ``tox.ini`` and the
+  GitHub Actions workflow now exercise both ``django42`` and ``django52``
+  factors, and the workflow also runs the django_authopenid tests.
 
 * Django 5.2 LTS preparation (no Django bump yet): removed
   ``default_app_config``, dropped legacy ``Signal(providing_args=...)``,