build(deps-dev): bump c8 from 7.14.0 to 8.0.0

Bumps [c8](https://github.com/bcoe/c8) from 7.14.0 to 8.0.0.
- [Release notes](https://github.com/bcoe/c8/releases)
- [Changelog](https://github.com/bcoe/c8/blob/main/CHANGELOG.md)
- [Commits](bcoe/c8@v7.14.0...v8.0.0)

---
updated-dependencies:
- dependency-name: c8
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -43,7 +43,7 @@
     "memfs": "^4.2.0"
   },
   "devDependencies": {
-    "c8": "^7.10.0",
+    "c8": "^8.0.0",
     "clean-webpack-plugin": "^4.0.0",
     "eslint": "^7.12.0",
     "eslint-config-standard": "^16.0.3",