fix(mypy): Ignore mismatching return type

Author: ferdinandjarisch

src/gallia/pydantic_argparse/utils/pydantic.py

@@ -120,7 +120,7 @@ def _get_type(self, annotation: type | None) -> type | tuple[type | None, ...] |
         origin = get_origin(annotation)
 
         if origin is Literal or isinstance(origin, type) and issubclass(origin, Container):
-            return origin
+            return origin  # type: ignore[return-value]
         elif origin is Union or origin is UnionType:
             args = get_args(annotation)
             types = [arg for arg in args if arg is not NoneType]