chore(deps): update dependency c8 to v8 (#554)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [c8](https://togithub.com/bcoe/c8) | [`^7.13.0` ->
`^8.0.0`](https://renovatebot.com/diffs/npm/c8/7.13.0/8.0.0) |
[![age](https://badges.renovateapi.com/packages/npm/c8/8.0.0/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/c8/8.0.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/c8/8.0.0/compatibility-slim/7.13.0)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/c8/8.0.0/confidence-slim/7.13.0)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>bcoe/c8</summary>

###
[`v8.0.0`](https://togithub.com/bcoe/c8/blob/HEAD/CHANGELOG.md#&#8203;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
([#&#8203;475](https://togithub.com/bcoe/c8/issues/475))

##### Miscellaneous Chores

- dropped Node 10 support
([#&#8203;475](https://togithub.com/bcoe/c8/issues/475))
([f8ee1ff](https://togithub.com/bcoe/c8/commit/f8ee1ffeba0f7b9b36e328226b23e9999f6481e7))

###
[`v7.14.0`](https://togithub.com/bcoe/c8/blob/HEAD/CHANGELOG.md#&#8203;7140-httpsgithubcombcoec8comparev7130v7140-2023-05-26)

[Compare Source](https://togithub.com/bcoe/c8/compare/v7.13.0...v7.14.0)

##### Features

- added a new CLI arg `--merge-async` to asynchronously and
incrementally merge process coverage files to avoid OOM due to heap
exhaustion ([#&#8203;469](https://togithub.com/bcoe/c8/issues/469))
([45f2f84](https://togithub.com/bcoe/c8/commit/45f2f84e0fa3a10fde718111f57c5352de01d9d1))

</details>

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package.json

@@ -56,7 +56,7 @@
 		"@typescript-eslint/parser": "^5.59.5",
 		"@vitest/coverage-istanbul": "^0.32.0",
 		"all-contributors-cli": "^6.25.1",
-		"c8": "^7.13.0",
+		"c8": "^8.0.0",
 		"console-fail-test": "^0.2.3",
 		"cspell": "^6.31.1",
 		"eslint": "^8.40.0",