swapping to warning instead of WARn

Signed-off-by: Francisco Javier Arceo <franciscojavierarceo@users.noreply.github.com>

sdk/python/feast/infra/online_stores/sqlite.py

@@ -415,7 +415,7 @@ def _initialize_conn(db_path: str):
     try:
         import sqlite_vec  # noqa: F401
     except ModuleNotFoundError:
-        logging.WARN("Cannot use sqlite_vec for vector search")
+        logging.warning("Cannot use sqlite_vec for vector search")
     Path(db_path).parent.mkdir(exist_ok=True)
     return sqlite3.connect(
         db_path,
@@ -494,7 +494,7 @@ def update(self):
                 self.conn.enable_load_extension(True)
                 sqlite_vec.load(self.conn)
             except ModuleNotFoundError:
-                logging.WARN("Cannot use sqlite_vec for vector search")
+                logging.warning("Cannot use sqlite_vec for vector search")
         self.conn.execute(
             f"CREATE TABLE IF NOT EXISTS {self.name} (entity_key BLOB, feature_name TEXT, value BLOB, vector_value BLOB, event_ts timestamp, created_ts timestamp,  PRIMARY KEY(entity_key, feature_name))"
         )