Upgrade support to Django 5.2 (#19)

Author: emily-bain

poetry.lock

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "django-keyvaluestore"
-version = "1.0.3"
+version = "1.1.0"
 homepage = "https://github.com/sdelements/django-keyvaluestore"
 description = "A simple key-value-store for Django"
 authors = ["Security Compass <contact@securitycompass.com>"]
@@ -39,7 +39,7 @@ exclude = [
 
 [tool.poetry.dependencies]
 python = "~3.12"
-django = "~4.2"
+django = ">=4.2,<6.0"
 
 [tool.poetry.dev-dependencies]
 pre-commit = "3.7.1"