build(deps-dev): bump the dev-deps group with 2 updates

Bumps the dev-deps group with 2 updates: [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `@vitest/coverage-v8` from 4.0.15 to 4.0.16
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.16/packages/coverage-v8)

Updates `vitest` from 4.0.15 to 4.0.16
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.16/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
- dependency-name: vitest
  dependency-version: 4.0.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-deps
...

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

Author: dependabot[bot]

package-lock.json

@@ -15,7 +15,7 @@
   "devDependencies": {
     "@babel/core": "^7.28.5",
     "@eslint/js": "^9.39.2",
-    "@vitest/coverage-v8": "^4.0.15",
+    "@vitest/coverage-v8": "^4.0.16",
     "@types/eslint__js": "^9.14.0",
     "eslint": "^9.0.0",
     "eslint-config-prettier": "^10.1.8",