fix: Use timezone data not native datetime

src/fellchensammlung/migrations/0011_alter_adoptionnotice_created_at_and_more.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.1 on 2024-10-29 10:44
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fellchensammlung', '0010_timestamp'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='adoptionnotice',
+            name='created_at',
+            field=models.DateField(default=django.utils.timezone.now, verbose_name='Erstellt am'),
+        ),
+        migrations.AlterField(
+            model_name='adoptionnotice',
+            name='last_checked',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='Zuletzt überprüft am'),
+        ),
+    ]