fixed SQL error

Author: qcdyx

liquibase/changes/feat_946.sql

@@ -1,3 +1,3 @@
 ALTER TABLE gtfsdataset 
 ADD COLUMN service_date_range_timezone TIMESTAMP WITH TIME ZONE 
-DEFAULT date_trunc('day', now()) AT TIME ZONE 'UTC';
+DEFAULT date_trunc('day', now()) AT TIME ZONE 'UTC';