Add Django 5.2a1

Author: matthiask

CHANGELOG.rst

@@ -9,6 +9,7 @@ Next version
 - Rewrote ``process_imagefields`` to use the multiprocessing module, which
   hopefully improves compatibility on macOS.
 - Introduced a ``--no-parallel`` argument to ``process_imagefields``.
+- Added Django 5.2a1.
 
 
 0.21 (2024-12-09)

tox.ini

@@ -2,7 +2,7 @@
 envlist =
     py{310}-dj{32,42}
     py{310,311,312}-dj{32,42,50,51,main}
-    py{313}-dj{51,main}
+    py{312,313}-dj{51,52,main}
     docs
 
 [testenv]
@@ -16,6 +16,7 @@ deps =
     dj42: Django>=4.2,<5.0
     dj50: Django>=5.0,<5.1
     dj51: Django>=5.1,<5.2
+    dj52: Django>=5.2a1,<6.0
     djmain: https://github.com/django/django/archive/main.tar.gz
 
 [testenv:docs]