add Django 5.2 support, drop discontinued 5.0

Author: syphar

.github/workflows/ci.yml

@@ -43,17 +43,15 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]
-        django-version: ["4.2", "5.0", "5.1"]
+        django-version: ["4.2", "5.1", "5.2"]
         postgres-version: ["12-2.5", "13-3.4"]
         exclude:
+          - django-version: "5.2"
+            python-version: "3.9"
           - django-version: "5.1"
             python-version: "3.9"
-          - django-version: "5.0"
-            postgres-version: "12-2.5"
           - django-version: "5.1"
             postgres-version: "12-2.5"
-          - django-version: "5.0"
-            python-version: "3.9"
 
     services:
       postgresql:

pyproject.toml

@@ -26,7 +26,7 @@ packages = [{ include = "heroku_connect" }]
 
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"
-django = ">=4.2,<5.2"
+django = ">=4.2,<5.3"
 django-appconf = "~1"
 requests = "~2"