fix: keep .load return while correcting annotation

Author: amjith

litecli/packages/special/dbcommands.py

@@ -246,14 +246,15 @@ def status(cur: DBCursor, **_: Any) -> list[tuple]:
     arg_type=PARSED_QUERY,
     case_sensitive=True,
 )
-def load_extension(cur: DBCursor, arg: str, **_: Any) -> None:
+def load_extension(cur: DBCursor, arg: str, **_: Any) -> list[tuple]:
     args = shlex.split(arg)
     if len(args) != 1:
         raise TypeError(".load accepts exactly one path")
     path = args[0]
     conn = cur.connection
     conn.enable_load_extension(True)
     conn.load_extension(path)
+    return [(None, None, None, "")]
 
 
 @special_command(