LSO steps added to the L2c workflows

generates vc_id using different ranges for different l2c_type.

gso/migrations/versions/2025-03-27_3541c7e57284_add_l2circuit_migration_workflow.py

+"""Add L2Circuit migration workflow.
+
+Revision ID: 3541c7e57284
+Revises: b14f71db2b58
+Create Date: 2025-03-27 15:35:39.351436
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = '3541c7e57284'
+down_revision = 'b14f71db2b58'
+branch_labels = None
+depends_on = None
+
+
+from orchestrator.migrations.helpers import create_workflow, delete_workflow
+
+new_workflows = [
+    {
+        "name": "migrate_layer_2_circuit",
+        "target": "MODIFY",
+        "description": "Migrate Layer 2 Circuit",
+        "product_type": "Layer2Circuit"
+    }
+]
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    for workflow in new_workflows:
+        create_workflow(conn, workflow)
+
+
+def downgrade() -> None:
+    conn = op.get_bind()
+    for workflow in new_workflows:
+        delete_workflow(conn, workflow["name"])