feat(snowflake): add missing pushdown_deny_usernames config to be used when use_queries_v2 (#12527)

Author: sgomezvillamor

metadata-ingestion/src/datahub/ingestion/source/snowflake/snowflake_config.py

@@ -308,6 +308,13 @@ class SnowflakeV2Config(
         " assertions CLI in snowflake",
     )
 
+    pushdown_deny_usernames: List[str] = Field(
+        default=[],
+        description="List of snowflake usernames which will not be considered for lineage/usage/queries extraction. "
+        "This is primarily useful for improving performance by filtering out users with extremely high query volumes. "
+        "Only applicable if `use_queries_v2` is enabled.",
+    )
+
     @validator("convert_urns_to_lowercase")
     def validate_convert_urns_to_lowercase(cls, v):
         if not v:

metadata-ingestion/src/datahub/ingestion/source/snowflake/snowflake_v2.py

@@ -567,6 +567,7 @@ def get_workunits_internal(self) -> Iterable[MetadataWorkUnit]:
                         include_queries=self.config.include_queries,
                         include_query_usage_statistics=self.config.include_query_usage_statistics,
                         user_email_pattern=self.config.user_email_pattern,
+                        pushdown_deny_usernames=self.config.pushdown_deny_usernames,
                     ),
                     structured_report=self.report,
                     filters=self.filters,