fix(ingest/glue): Profiling breaks for non-partitioned tables due to …

…absent `Table.PartitionKeys` (#9591)

metadata-ingestion/src/datahub/ingestion/source/aws/glue.py

@@ -833,9 +833,8 @@ def get_profile_if_enabled(
                 **{k: v for k, v in kwargs.items() if v}
             )
 
-            partition_keys = response["Table"]["PartitionKeys"]
-
             # check if this table is partitioned
+            partition_keys = response["Table"].get("PartitionKeys")
             if partition_keys:
                 # ingest data profile with partitions
                 # for cross-account ingestion