chore: improve linting (#7244)

packages/rest/src/lib/handlers/IHandler.ts

@@ -2,10 +2,10 @@ import type { RequestInit } from 'node-fetch';
 import type { InternalRequest, RouteData } from '../RequestManager';
 
 export interface IHandler {
-	queueRequest(
+	queueRequest: (
 		routeId: RouteData,
 		url: string,
 		options: RequestInit,
 		bodyData: Pick<InternalRequest, 'files' | 'body'>,
-	): Promise<unknown>;
+	) => Promise<unknown>;
 }