refactor: revert size to 512

Signed-off-by: Dorukyum <[email protected]>

Author: Dorukyum

discord/asset.py

@@ -220,7 +220,7 @@ def _from_guild_banner(
         format = "gif" if animated else "png"
         return cls(
             state,
-            url=f"{cls.BASE}/guilds/{guild_id}/users/{member_id}/banners/{banner}.{format}?size=1024",
+            url=f"{cls.BASE}/guilds/{guild_id}/users/{member_id}/banners/{banner}.{format}?size=512",
             key=banner,
             animated=animated,
         )
@@ -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=1024",
+            url=f"{cls.BASE}/banners/{user_id}/{banner_hash}.{format}?size=512",
             key=banner_hash,
             animated=animated,
         )