chore: add 'default_auto_field' to app config

'default_auto_field' is added to the app config and 'DEFAULT_AUTO_FIELD'
to the testapp settings in order to silence warnings from Django.

Author: pi-sigma

CHANGELOG.rst

@@ -36,6 +36,8 @@ Maintenance and refactoring
 * Renamed 'ObjectsClientConfiguration' to 'ObjectsAPIServiceConfiguration'
   as well as the fields for the ZGW client configurations. This is lesss
   confusing and captures the intent of the code better.
+* Added 'default_auto_field' to app config and 'DEFAULT_AUTO_FIELD' to
+  testapp settings to silence warnings.
 
 
 0.4.1 (2025-12-03)

objectsapiclient/apps.py

@@ -3,3 +3,4 @@
 
 class ObjectsAPIClientConfig(AppConfig):
     name = "objectsapiclient"
+    default_auto_field = "django.db.models.AutoField"

testapp/migrations/0002_alter_page_id.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.9 on 2025-12-08 08:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("testapp", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="page",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]

testapp/settings.py

@@ -60,3 +60,5 @@
 
 MEDIA_ROOT = os.path.join(BASE_DIR, "media")
 MEDIA_URL = "/media/"
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"