Introduce testing for Django 5.1 and Wagtail 6.3

Author: nickmoreton

README.rst

@@ -32,7 +32,7 @@ wagtailmenus is an extension for Torchbox's `Wagtail CMS <https://github.com/tor
 The current version is tested for compatibility with the following:
 
 - Wagtail versions >= 5.2
-- Django versions 4.2 and >= 5.0
+- Django versions 4.2, 5.0 and >= 5.1
 - Python versions 3.9 to 3.12
 
 .. image:: https://raw.githubusercontent.com/jazzband/wagtailmenus/master/docs/source/_static/images/repeating-item.png

setup.py

@@ -69,6 +69,7 @@
         'Framework :: Django',
         'Framework :: Django :: 4.2',
         'Framework :: Django :: 5.0',
+        'Framework :: Django :: 5.1',
         'Framework :: Wagtail :: 5',
         'Framework :: Wagtail :: 6',
         'Topic :: Internet :: WWW/HTTP',

tox.ini

@@ -9,6 +9,7 @@ envlist =
     wt60-dj50-py{310,311,312}
     wt61-dj{42,50}-py{310,311,312}
     wt62-dj{42,50}-py{310,311,312}
+    wt63-dj{42,50,51}-py{310,311,312}
 
 [gh-actions]
 python =
@@ -27,7 +28,9 @@ deps =
     coverage
     dj42: Django>=4.2,<4.3
     dj50: Django>=5.0,<5.1
+    dj51: Django>=5.1,<5.2
     wt52: wagtail>=5.2,<5.3
     wt60: wagtail>=6.0,<6.1
     wt61: wagtail>=6.1,<6.2
     wt62: wagtail>=6.2,<6.3
+    wt63: wagtail>=6.3,<6.4