Update to 5.2b1

Author: browniebroke

tox.ini

@@ -11,7 +11,7 @@ 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
+    dj52: Django>=5.2b1,<6.0
 
     djangorestframework
     openpyxl