Fix: Solve overlapping migrations.

Author: Andres D. Molins

deployment/migrations/versions/0030_d8e9852e5775_fix_compute_message_status_on_vm_cost_.py renamed to deployment/migrations/versions/0031_d8e9852e5775_fix_compute_message_status_on_vm_cost_.py

@@ -10,7 +10,7 @@
 
 # revision identifiers, used by Alembic.
 revision = 'd8e9852e5775'
-down_revision = '46f7e55ff55c'
+down_revision = '9e600f404aa1'
 branch_labels = None
 depends_on = None