Drop support for older Django versions

CHANGES.rst

@@ -5,6 +5,7 @@ To be released
 ------------------
 - Add support for `Python 3.13` (GH-#628)
 - Add formal support for `Django 5.2` (GH-#641)
+- Drop support for older versions than `Django 4.2`
 
 5.0.0 (2024-09-01)
 ------------------

setup.py

@@ -46,9 +46,6 @@ setup(
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
         'Framework :: Django',
-        'Framework :: Django :: 3.2',
-        'Framework :: Django :: 4.0',
-        'Framework :: Django :: 4.1',
         'Framework :: Django :: 4.2',
         'Framework :: Django :: 5.0',
         'Framework :: Django :: 5.1',

tox.ini

@@ -1,8 +1,5 @@
 [tox]
 envlist =
-    py{37,38,39,310}-dj32
-    py{38,39,310}-dj{40}
-    py{38,39,310,311}-dj{41}
     py{38,39,310,311}-dj{42}
     py{310,311,312}-dj{50}
     py{310,311,312}-dj{51}
@@ -26,9 +23,6 @@ python =
 deps =
     time-machine
     -rrequirements-test.txt
-    dj32: Django==3.2.*
-    dj40: Django==4.0.*
-    dj41: Django==4.1.*
     dj42: Django==4.2.*
     dj50: Django==5.0.*
     dj51: Django==5.1.*