Merge branch 'nix-shell' into 'main'

Nix shell

See merge request bde/nk20!201

apps/activity/migrations/0007_alter_guest_activity.py

@@ -1,19 +0,0 @@
-# Generated by Django 4.2.20 on 2025-05-08 19:07
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('activity', '0006_guest_school'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='guest',
-            name='activity',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='+', to='activity.activity'),
-        ),
-    ]