update: update dependency @octokit/rest to v19.0.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@octokit/rest	19.0.7 -> 19.0.8

---

Release Notes

octokit/rest.js

### [`v19.0.8`](https://togithub.com/octokit/rest.js/releases/tag/v19.0.8) [Compare Source](https://togithub.com/octokit/rest.js/compare/v19.0.7...v19.0.8) ##### Bug Fixes - **deps:** bump plugin versions ([#​292](https://togithub.com/octokit/rest.js/issues/292)) ([9b047a0](https://togithub.com/octokit/rest.js/commit/9b047a0fdf9a4e8e26401e1dbe08f5376acf4f83)), closes [#​290](https://togithub.com/octokit/rest.js/issues/290)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.