Update instance ban schema

src/schemas/api/users/InstanceUserDeleteSchema.ts

@@ -3,4 +3,5 @@ import { ConnectedAccount } from "@spacebar/util";
 export type InstanceUserDeleteSchema = InstanceUserDeleteSchemaContent | undefined; //unsure if this a correct way to make the body optional
 export interface InstanceUserDeleteSchemaContent {
 	reason?: string;
+	persistInstanceBan?: boolean;
 }