Restrict icon and cover_image types to bytes or None

Updated the AppInfo class to only accept bytes or None for the icon and cover_image parameters, removing support for str. This change clarifies the expected types and may prevent type-related errors.

Author: Lumabots

discord/appinfo.py

@@ -303,8 +303,8 @@ async def edit(
         self,
         *,
         description: str | None = utils.MISSING,
-        icon: bytes | str | None = utils.MISSING,
-        cover_image: bytes | str | None = utils.MISSING,
+        icon: bytes | None = utils.MISSING,
+        cover_image: bytes | None = utils.MISSING,
         tags: list[str] | None = utils.MISSING,
         terms_of_service_url: str | None = utils.MISSING,
         privacy_policy_url: str | None = utils.MISSING,