chore(ci): fix lint and swiftformat failures

src/telegram/webhook.test.ts

@@ -2,10 +2,15 @@ import { describe, expect, it, vi } from "vitest";
 
 import { startTelegramWebhook } from "./webhook.js";
 
-const handlerSpy = vi.fn((req: any, res: any) => {
-  res.writeHead(200);
-  res.end("ok");
-});
+const handlerSpy = vi.fn(
+  (
+    _req: unknown,
+    res: { writeHead: (status: number) => void; end: (body?: string) => void },
+  ) => {
+    res.writeHead(200);
+    res.end("ok");
+  },
+);
 const setWebhookSpy = vi.fn();
 const stopSpy = vi.fn();