fix: set size to 1024 for _from_user_banner

Signed-off-by: Matty Widdop <18513864+MattyTheHacker@users.noreply.github.com>

discord/asset.py

@@ -284,7 +284,7 @@ def _from_user_banner(cls, state, user_id: int, banner_hash: str) -> Asset:
         format = "gif" if animated else "png"
         return cls(
             state,
-            url=f"{cls.BASE}/banners/{user_id}/{banner_hash}.{format}?size=512",
+            url=f"{cls.BASE}/banners/{user_id}/{banner_hash}.{format}?size=1024",
             key=banner_hash,
             animated=animated,
         )