dependabot(deps-dev): bump vitest in the testing group

Bumps the testing group with 1 update: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `vitest` from 4.0.18 to 4.1.0
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.0/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: testing
...

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

Author: dependabot[bot]