No "Copilot Requests" permission in GitHub Apps despite the Copilot SDK documentation saying otherwise

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## Why are you seeing this issue?
This is a [support escalation](https://github.com/github/support/blob/main/ticket-processes/escalating-outside-support.md#escalating-to-engineering-and-product-teams)! You can find out more about expectations on communications and response times in the [on-call docs](https://thehub.github.com/epd/engineering/incident-response/support-to-engineering-escalation-process/#support-escalation-response-procedures-and-best-practices). Thank you for doing your part to keep GitHub customers happy!

## Severity
_Note, for Sev1 issues always page the team first, using the PagerDuty information in the [service catalog](https://catalog.githubapp.com/services) and the command `.pager trigger N/A `. Opening an issue for a Sev2 incident can come later (and can be done by the available Escalation Engineer)._

- [ ] sev1 - **Engineering must _respond_, when paged, within 1 business day**
- [x] sev2 - **Engineering must _respond_ to this issue within 2 business days**
- [ ] sev3 - **Engineering must _respond_ to this issue within 2 business days**

## Service
[copilot-sdk](https://catalog.githubapp.com/services?service=copilot-sdk)

## Context
_:warning: Kindly provide all the requested information to ensure a prompt and efficient response. :warning:_

**GitHub Support Plan**

- [ ] Top 20
- [x] Premium Plus
- [ ] Premium
- [ ] Enterprise
- [ ] Free/Pro/Team

**GitHub Product(s) Impacted (check appropriate boxes and provide GHES version if applicable)**

- [x] GitHub.com (including GHEC)
- [ ] GitHub Enterprise Server.
- [ ] Running version: x.y.z
- [ ] Recently upgraded from version: x.y.z (upgrade date: yyyy-mm-dd)
- [ ] Proxima (ghe.com)
- [ ] Customer tenant: -

**Customer Impact**

If applicable, list the impacted entities:
- [ ] Enterprise: -
- [ ] Organization: -
- [ ] Repository: -
- [ ] User: -

**Zendesk Ticket(s), support bundles, and other relevant Issues and links**
- [4650604](https://github.zendesk.com/agent/tickets/4650604)

## Issue

Customer reports that while the [Other services and CI systems](https://docs.github.com/en/copilot/how-tos/copilot-sdk/auth/server-to-server-tokens#other-services-and-ci-systems) section of the [Server-to-server authentication](https://docs.github.com/en/copilot/how-tos/copilot-sdk/auth/server-to-server-tokens) page of the [Copilot SDK](https://docs.github.com/en/copilot/how-tos/copilot-sdk/) documentation says you should:

> Create a GitHub App with the **Copilot Requests** repository permission set to **Read & write**.

But when creating a GitHub App there doesn't seem to be any such repository permission in the UI.

**To Reproduce**

Steps to reproduce the behavior:
1. Go to `...`
2. Click on `...`
3. Scroll down to `...`
4. See error

**Expected behavior**

The documented **Read & write** **Copilot Requests** repository permission should exist.

**Screenshots**

N/A

**Additional context**

I have tried creating a GitHub App myself and did not see this permission.

cc:

@patniko

**Support Squad(s)**: @github/support-squad-ecosystem

Bắt đầu với trang Server-to-server authentication được liên kết, đặc biệt là phần “Other services and CI systems”, rồi so sánh hướng dẫn về quyền Copilot Requests trong đó với giao diện tạo GitHub App. Xem lại tài liệu xác thực Copilot SDK liên quan và bối cảnh của ticket hỗ trợ để xác định hành vi dự kiến. Công việc được xem là hoàn tất khi tài liệu và các quyền của GitHub App thống nhất với nhau, đồng thời sự khác biệt mà khách hàng nhìn thấy đã được xử lý.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.