Allow to release quota after exit scans

src/pretix/base/migrations/0155_quota_release_after_exit.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.6 on 2020-06-26 14:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0154_auto_20200620_1633'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='quota',
+            name='release_after_exit',
+            field=models.BooleanField(default=False),
+        ),
+    ]