add connection attributes

Signed-off-by: Olha Kramarenko <[email protected]>

sdk/python/feast/infra/online_stores/singlestore_online_store/singlestore.py

@@ -50,6 +50,7 @@ def _init_conn(self, config: RepoConfig) -> Connection:
             password=online_store_config.password or "test",
             database=online_store_config.database or "feast",
             port=online_store_config.port or 3306,
+            conn_attrs={"_connector_name": "SingleStore Feast Online Store"},
             autocommit=True,
         )