fix: normalize abort signals for telegram fetch

src/telegram/proxy.ts

@@ -1,10 +1,11 @@
 // @ts-nocheck
 import { ProxyAgent } from "undici";
+import { wrapFetchWithAbortSignal } from "../infra/fetch.js";
 
 export function makeProxyFetch(proxyUrl: string): typeof fetch {
   const agent = new ProxyAgent(proxyUrl);
-  return (input: RequestInfo | URL, init?: RequestInit) => {
+  return wrapFetchWithAbortSignal((input: RequestInfo | URL, init?: RequestInit) => {
     const base = init ? { ...init } : {};
     return fetch(input, { ...base, dispatcher: agent });
-  };
+  });
 }