dj32: run tests with django 3.2 (#72942)

setup.py

@@ -120,7 +120,7 @@ setup(
         'Programming Language :: Python',
     ],
     install_requires=[
-        'django>=1.8,<2.3',
+        'django>=1.8,<4',
         'django-jsonfield',
         'djangorestframework>=3.3',
         'requests',

tox.ini

@@ -1,7 +1,8 @@
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/petale/
 envlist =
-  py3-dj22-drf39
+  py3-dj22
+  py3-dj32
   code-style
   check-migrations
 
@@ -10,7 +11,7 @@ envlist =
   pylint
   code-style
   check-migrations
-  py3-dj22-drf39
+  py3-dj22
 
 [testenv]
 usedevelop=true
@@ -30,6 +31,7 @@ passenv=
   PGPASSWORD
 deps =
   dj22: django>=2.2,<2.3
+  dj32: django>=3.2,<3.3
   pytest-cov
   pytest-django
   pytest