updated workflow, update docker

.github/workflows/modoboa.yml

@@ -66,7 +66,7 @@ jobs:
     strategy:
       matrix:
         database: ['postgres', 'mysql']
-        python-version: [3.7, 3.8, 3.9, '3.10']
+        python-version: [3.8, 3.9, '3.10']
       fail-fast: false
 
     steps:

postgresql-requirements.txt

@@ -1 +1 @@
-psycopg2-binary>=2.8,<2.9
+psycopg[binary]>=3.1

test_project/test_project/urls.py

@@ -1,7 +1,8 @@
 from __future__ import unicode_literals
 
-from django.conf.urls import include, url
+from django.conf.urls import include
+from django.urls import re_path
 
 urlpatterns = [
-    url(r"", include("modoboa.urls")),
+    re_path(r"", include("modoboa.urls")),
 ]