Merge remote-tracking branch 'origin/master'

* origin/master:
  Use postgres 12
  Add Django 4.2 to test matrix, remove Python 3.7

Author: j4mie

.github/workflows/ci.yml

@@ -9,25 +9,21 @@ jobs:
 
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11"]
-        django: ["3.2", "4.0", "4.1"]
+        python: ["3.8", "3.9", "3.10", "3.11"]
+        django: ["3.2", "4.0", "4.1", "4.2"]
         exclude:
-          - python: "3.6"
+          - python: "3.11"
+            django: "3.2"
+          - python: "3.11"
             django: "4.0"
-          - python: "3.7"
-            django: "4.0"
-          - python: "3.6"
-            django: "4.1"
-          - python: "3.7"
-            django: "4.1"
         database_url:
           - postgres://runner:password@localhost/project
           - mysql://root:[email protected]/project
           - 'sqlite:///:memory:'
 
     services:
       postgres:
-        image: postgres:11
+        image: postgres:12
         ports:
           - 5432:5432
         env: