fix: Correct typo in Snowflake Last Updated extract query (#358)

Signed-off-by: Tao Feng <fengtao04@gmail.com>

databuilder/extractor/snowflake_table_last_updated_extractor.py

@@ -28,7 +28,7 @@ class SnowflakeTableLastUpdatedExtractor(Extractor):
             lower({cluster_source}) AS cluster,
             lower(t.table_schema) AS schema,
             lower(t.table_name) AS table_name,
-            DATA_PART(EPOCH, t.last_altered) AS last_updated_time
+            DATE_PART(EPOCH, t.last_altered) AS last_updated_time
         FROM
             {database}.INFORMATION_SCHEMA.TABLES t
         {where_clause_suffix};