fix Configure DEFAULT_AUTO_FIELD setting warning

birdsong/apps.py

@@ -2,6 +2,7 @@ from django.apps import AppConfig
 
 
 class WagtailBirdsongApp(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
     name = 'birdsong'
     label = 'birdsong'
     verbose_name = 'Wagtail Birdsong'

birdsong/migrations/0006_auto_20220428_0558.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.13 on 2022-04-28 05:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('birdsong', '0005_alter_receipt_success'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='campaign',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='contacttag',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='receipt',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+    ]