add support for django 5.0 (#91)

* Add Django 5.0 to the list of supported Django versions

fixes #90

tests/constraints/django-5.0.txt

@@ -0,0 +1 @@
+Django>=5.0,<5.1

tox.ini

@@ -6,6 +6,7 @@ envlist =
     py311-docs
     py{37,38,39,310}-dj32
     py{38,39,310,311}-dj{40,41,42}
+    py{310,311}-dj{50}
     py{37,38,39,310,311}-fl{20,21,22}
     py{37,38,39,310,311}-s{21,22}
 
@@ -25,21 +26,22 @@ setenv =
     PYTHONPATH = {toxinidir}
 deps =
     -rtests/requirements/default.txt
-    dj{32,40,41,42}: -rtests/requirements/django.txt
+    dj{32,40,41,42,50}: -rtests/requirements/django.txt
     fl{20,21,22}: -rtests/requirements/flask.txt
     s{21,22}: -rtests/requirements/sanic.txt
     dj32: -ctests/constraints/django-3.2.txt
     dj40: -ctests/constraints/django-4.0.txt
     dj41: -ctests/constraints/django-4.1.txt
     dj42: -ctests/constraints/django-4.2.txt
+    dj50: -ctests/constraints/django-5.0.txt
     fl20: -ctests/constraints/flask-2.0.txt
     fl21: -ctests/constraints/flask-2.1.txt
     fl22: -ctests/constraints/flask-2.2.txt
     s21: -ctests/constraints/sanic-21.txt
     s22: -ctests/constraints/sanic-22.txt
 commands =
     python --version
-    dj{32,40,41,42}: pytest --no-migrations -o DJANGO_SETTINGS_MODULE=tests.django.settings -o django_find_project=false {posargs:tests/core/ tests/django}
+    dj{32,40,41,42,50}: pytest --no-migrations -o DJANGO_SETTINGS_MODULE=tests.django.settings -o django_find_project=false {posargs:tests/core/ tests/django}
     fl{20,21,22}: pytest {posargs:tests/core/ tests/flask/}
     s{21,22}: pytest {posargs:tests/core/ tests/sanic/}