Merge pull request #606 from atodorov/add-django51-to-ci

Add Django 5.1 to the testing matrix

Author: Natim

tox.ini

@@ -3,6 +3,7 @@ isolated_build = true
 envlist =
     py{38,39,310,311,312}-dj{42}-{unittest,pytest,checkmigrations}
     py{310,311,312}-dj{50}-{unittest,pytest,checkmigrations}
+    py{310,311,312,313}-dj{51}-{unittest,pytest,checkmigrations}
     py{310,311,312,313}-dj{main}-{unittest,pytest,checkmigrations}
 skip_missing_interpreters = True