Add placeholder migration (#16010)

awx/main/migrations/0201_create_managed_creds.py

@@ -0,0 +1,9 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('main', '0200_template_name_constraint'),
+    ]
+
+    operations = []

awx/main/migrations/0202_squashed_deletions.py

@@ -7,7 +7,7 @@ from awx.main.migrations._create_system_jobs import delete_clear_tokens_sjt
 
 class Migration(migrations.Migration):
     dependencies = [
-        ('main', '0200_template_name_constraint'),
+        ('main', '0201_create_managed_creds'),
     ]
 
     operations = [