add migration script

Author: treysp

sqlmesh/migrations/v0101_bump_sqlglot_28-6-0.py

@@ -0,0 +1,9 @@
+"""Bump sqlglot to 28.6.0."""
+
+
+def migrate_schemas(engine_adapter, schema, **kwargs):  # type: ignore
+    pass
+
+
+def migrate_rows(engine_adapter, schema, **kwargs):  # type: ignore
+    pass