chore: Use Python 3.8 compliant type expression in cast

schwifty/bban.py

@@ -4,6 +4,7 @@
 from random import Random
 from typing import Any
 from typing import cast
+from typing import Dict
 
 from rstr import Rstr
 
@@ -170,7 +171,7 @@ def random(cls, country_code: str = "", random: Random | None = None, **values:
         if random is None:
             random = Random()  # noqa: S311
 
-        banks_by_country = cast(dict[str, Any], registry.get("country"))
+        banks_by_country = cast(Dict[str, Any], registry.get("country"))
         if not country_code:
             country_code = random.choice(list(banks_by_country.keys()))