chore(deps): update dependency c8 to v9 (#1202)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [c8](https://togithub.com/bcoe/c8) | [`^8.0.1` ->
`^9.0.0`](https://renovatebot.com/diffs/npm/c8/8.0.1/9.0.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/c8/9.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/c8/8.0.1/9.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

<details>
<summary>bcoe/c8 (c8)</summary>

###
[`v9.0.0`](https://togithub.com/bcoe/c8/blob/HEAD/CHANGELOG.md#900-2024-01-03)

[Compare Source](https://togithub.com/bcoe/c8/compare/v8.0.1...v9.0.0)

##### ⚠ BREAKING CHANGES

-   **build:** minimum Node.js version is now 14.14.0

##### Features

- **build:** minimum Node.js version is now 14.14.0
([2cdc86b](https://togithub.com/bcoe/c8/commit/2cdc86bd0ac67ecf0f700212dc5f8a830ff9164f))
- **deps:** update foreground-child to promise API
([#&#8203;512](https://togithub.com/bcoe/c8/issues/512))
([b46b640](https://togithub.com/bcoe/c8/commit/b46b6401274488db5b1027a78090257095ae4f72))
- **deps:** use Node.js built in rm
([2cdc86b](https://togithub.com/bcoe/c8/commit/2cdc86bd0ac67ecf0f700212dc5f8a830ff9164f))

</details>

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package.json

@@ -72,7 +72,7 @@
 		"@typescript-eslint/eslint-plugin": "^6.13.2",
 		"@typescript-eslint/parser": "^6.13.2",
 		"@vitest/coverage-v8": "^1.0.2",
-		"c8": "^8.0.1",
+		"c8": "^9.0.0",
 		"console-fail-test": "^0.2.3",
 		"cspell": "^8.1.3",
 		"eslint": "^8.55.0",