Remove unsupported Django releases

Those releases are now unsupported (c.f unsupported previous
releases [1])
We also remove the support of the associated python runtime. [2]

[1] https://www.djangoproject.com/download/
[2] https://docs.djangoproject.com/en/5.0/faq/install/#what-python-version-can-i-use-with-django

Author: joelcapitao

.github/workflows/test.yml

@@ -12,20 +12,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:  # https://docs.djangoproject.com/en/5.0/faq/install/#faq-python-version-support
-        django-version: [32, 41, 42, 50]
-        python-version: [3.8, 3.9, "3.10", 3.11, 3.12]
-
-        exclude:
-          - django-version: 32
-            python-version: 3.11
-          - django-version: 32
-            python-version: 3.12
-          - django-version: 41
-            python-version: 3.12
-          - django-version: 50
-            python-version: 3.8
-          - django-version: 50
-            python-version: 3.9
+        django-version: [50]
+        python-version: ["3.10", 3.11, 3.12]
 
     steps:
       - uses: actions/checkout@v4

tox.ini

@@ -1,11 +1,8 @@
 [tox]
-envlist = django{32,41,42,50}
+envlist = django50
 
 [testenv]
 commands =
     python runtests.py
 deps =
-    django32: Django>=3.2,<3.3
-    django41: Django>=4.1,<4.2
-    django42: Django>=4.2,<5.0
     django50: Django>=5.0,<5.1