Update dependency c8 to v8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
c8	^7.9.0 -> ^8.0.0

---

Release Notes

bcoe/c8

### [`v8.0.0`](https://togithub.com/bcoe/c8/blob/HEAD/CHANGELOG.md#​800-httpsgithubcombcoec8comparev7140v800-2023-06-05) [Compare Source](https://togithub.com/bcoe/c8/compare/v7.14.0...v8.0.0) ##### ⚠ BREAKING CHANGES - dropped Node 10 support ([#​475](https://togithub.com/bcoe/c8/issues/475)) ##### Miscellaneous Chores - dropped Node 10 support ([#​475](https://togithub.com/bcoe/c8/issues/475)) ([f8ee1ff](https://togithub.com/bcoe/c8/commit/f8ee1ffeba0f7b9b36e328226b23e9999f6481e7))

---

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.