add db migration

remove the cancel subscription workflow again

gso/migrations/versions/2024-03-21_a2cd3f2e6d7a_modify_connection_streategy_workflow.py

-"""Modify connection streategy workflow..
+"""Modify connection strategy workflow.
 
 Revision ID: a2cd3f2e6d7a
 Revises:
@@ -10,9 +10,9 @@ from alembic import op
 
 # revision identifiers, used by Alembic.
 revision = 'a2cd3f2e6d7a'
-down_revision = None
+down_revision = 'd61c0f92da1e'
 branch_labels = None
-depends_on = 'd61c0f92da1e'
+depends_on = None
 
 
 from orchestrator.migrations.helpers import create_workflow, delete_workflow