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

Bumps the vitest 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 4.1.8 to 4.1.9
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.9/packages/coverage-v8)

Updates `vitest` from 4.1.8 to 4.1.9
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.9/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.1.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vitest
- dependency-name: vitest
  dependency-version: 4.1.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vitest
...

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

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "@eslint/eslintrc": "3.3.5",
     "@eslint/js": "10.0.1",
     "@types/node": "25.9.3",
-    "@vitest/coverage-v8": "4.1.8",
+    "@vitest/coverage-v8": "4.1.9",
     "eslint": "10.5.0",
     "eslint-plugin-prettier": "5.5.6",
     "eslint-plugin-simple-import-sort": "13.0.0",
@@ -39,7 +39,7 @@
     "tsup": "8.5.1",
     "typescript": "6.0.3",
     "typescript-eslint": "8.61.0",
-    "vitest": "4.1.8"
+    "vitest": "4.1.9"
   },
   "private": true,
   "license": "MIT"