Merge pull request #626 from bckohan/master

Update test matrix to correct python/django combinations, add 5.1, 5.2

Author: bckohan

tox.ini

@@ -1,8 +1,12 @@
 [tox]
 envlist =
 	py{38,39,310}-django{32}
-	py{38,39,310,311,312}-django{40,41,42}
+	py{38,39,310}-django{40}
+	py{38,39,310,311}-django{41}
+	py{38,39,310,311,312}-django{42}
 	py{310,311,312}-django{50}
+	py{310,311,312,313}-django{51}
+	py{310,311,312,313}-django{52}
 	# TODO: reinstate running on postgres: py39-django{40}-postgres
 	docs
 
@@ -21,6 +25,8 @@ deps =
 	django41: Django ~= 4.1
 	django42: Django ~= 4.2
 	django50: Django ~= 5.0
+	django51: Django ~= 5.1
+	django52: Django == 5.2b1
 	djangomain: https://github.com/django/django/archive/main.tar.gz
 	postgres: psycopg2
 commands =
@@ -41,3 +47,4 @@ python =
     3.10: py310
     3.11: py311
     3.12: py312
+	3.13: py313