add missing migrations

apps/migrations/0020_alter_jupyterinstance_environment_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.1.1 on 2024-12-12 10:06
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("apps", "0019_alter_shinyinstance_shiny_site_dir"),
+        ("projects", "0008_project_deleted_on"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="jupyterinstance",
+            name="environment",
+            field=models.ForeignKey(
+                blank=True, null=True, on_delete=django.db.models.deletion.RESTRICT, to="projects.environment"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="rstudioinstance",
+            name="environment",
+            field=models.ForeignKey(
+                blank=True, null=True, on_delete=django.db.models.deletion.RESTRICT, to="projects.environment"
+            ),
+        ),
+    ]