Update plan model

ultron/objective/migrations/0005_alter_plan_educative.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.8 on 2021-12-19 19:07
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('objective', '0004_plan'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='plan',
+            name='educative',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='plan', to='objective.educative', verbose_name='Educative'),
+        ),
+    ]