fix: allow/deny are strings in v8 (#239)

src/types/guild.ts

@@ -469,9 +469,9 @@ export interface RawOverwrite {
   /** Whether this is a role or a member */
   type: OverwriteType;
   /** The permissions that this id is allowed to do. (This will mark it as a green check.) */
-  allow: number;
+  allow: string;
   /** The permissions that this id is NOT allowed to do. (This will mark it as a red x.) */
-  deny: number;
+  deny: string;
 }
 
 export interface PermissionOverwrite