Add Python 3.13 and Django 5.1 support and drop Python 3.8, `Py…

…thon 3.9` and `Django 3.x` support.

.github/workflows/test-package.yml

@@ -19,11 +19,10 @@ jobs:
         id: create_matrix
         with:
           matrix: |
-            python-version {3.8}, django-version {3.0, 3.1, 3.2, 4.0, 4.1, 4.2}
-            python-version {3.9}, django-version {3.0, 3.1, 3.2, 4.0, 4.1, 4.2}
-            python-version {3.10}, django-version {3.2, 4.0, 4.1, 4.2, 5.0}
-            python-version {3.11}, django-version {4.1, 4.2, 5.0}
-            python-version {3.12}, django-version {4.2, 5.0}
+            python-version {3.10}, django-version {4.0, 4.1, 4.2, 5.0, 5.1}
+            python-version {3.11}, django-version {4.1, 4.2, 5.0, 5.1}
+            python-version {3.12}, django-version {4.2, 5.0, 5.1}
+            python-version {3.13}, django-version {5.1}
 
     outputs:
       matrix: ${{ steps.create_matrix.outputs.matrix }}

pyproject.toml

@@ -28,23 +28,20 @@ classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Web Environment",
     "Framework :: Django",
-    "Framework :: Django :: 3.0",
-    "Framework :: Django :: 3.1",
-    "Framework :: Django :: 3.2",
     "Framework :: Django :: 4.0",
     "Framework :: Django :: 4.1",
     "Framework :: Django :: 4.2",
     "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
     "Intended Audience :: Developers",
     "License :: OSI Approved :: MIT License",
     "Natural Language :: English",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Software Development :: Build Tools",
 ]
 dynamic = ["version"]

tox.ini

@@ -1,10 +1,9 @@
 [tox]
 envlist =
-    py38-{dj30,dj31,dj32,dj40,dj41,dj42}-{sqlite},
-    py39-{dj30,dj31,dj32,dj40,dj41,dj42}-{sqlite},
-    py310-{dj32,dj40,dj41,dj42,dj50}-{sqlite},
+    py310-{dj40,dj41,dj42,dj50}-{sqlite},
     py311-{dj41,dj42,dj50}-{sqlite},
     py312-{dj42,dj50}-{sqlite},
+    py313-{dj51}-{sqlite},
 
 [gh-actions]
 python =