Fix: Add meta field converter for cron_tz field (#4051)

Author: vchan

sqlmesh/core/model/definition.py

@@ -2777,6 +2777,7 @@ def render_expression(
 META_FIELD_CONVERTER: t.Dict[str, t.Callable] = {
     "start": lambda value: exp.Literal.string(value),
     "cron": lambda value: exp.Literal.string(value),
+    "cron_tz": lambda value: exp.Literal.string(value),
     "partitioned_by_": _single_expr_or_tuple,
     "clustered_by": _single_expr_or_tuple,
     "depends_on_": lambda value: exp.Tuple(expressions=sorted(value)),

tests/core/test_model.py

@@ -1395,6 +1395,7 @@ def test_render_definition():
         MODEL (
             name db.table,
             owner owner_name,
+            cron_tz 'America/Los_Angeles',
             dialect spark,
             kind INCREMENTAL_BY_TIME_RANGE (
                 time_column (`a`, 'yyyymmdd'),