[BUG]: app.eachInstallation Type Doesn't include Account Details

[codingdiaz]

What happened?

When upgrading from v13.1.1 to v13.1.3 we have seen issues using data with app.eachInstallation.

This is an example of our code that breaks when upgrading to anything past v13.1.1.

import { App } from "@octokit/app";
import * as fs from "fs";

const privateKey = fs.readFileSync("./key.pem", { encoding: "utf8" });

const app = new App({
  appId: "123456",
  privateKey,
});

async function run() {

  for await (const { octokit, installation } of app.eachInstallation.iterator()) {
    console.log(installation.account?.login);
   }

}

run();

On v13.1.1 it works, but, on v13.1.2 and beyond, we get this type error.

script.ts:14:39 - error TS2339: Property 'login' does not exist on type '{ name?: string | null | undefined; email?: string | null | undefined; login: string; id: number; node_id: string; avatar_url: string; gravatar_id: string | null; url: string; html_url: string; ... 11 more ...; starred_at?: string | undefined; } | { ...; }'.
  Property 'login' does not exist on type '{ description?: string | null | undefined; html_url: string; website_url?: string | null | undefined; id: number; node_id: string; name: string; slug: string; created_at: string | null; updated_at: string | null; avatar_url: string; }'.

14     console.log(installation.account?.login);

Versions

Node: v18.14.0

Relevant log output

No response

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