add 0029 migration file

src/api/src/backend/migrations/0028_task_conditions.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.2 on 2023-11-28 17:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('backend', '0027_alter_pipelinerun_status_alter_taskexecution_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='task',
+            name='conditions',
+            field=models.JSONField(default=list, null=True),
+        ),
+    ]