chore(deps-dev): bump the development-dependencies group with 2 updates

Bumps the development-dependencies group with 2 updates: [prettier](https://github.com/prettier/prettier) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `prettier` from 3.7.3 to 3.7.4
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.7.3...3.7.4)

Updates `vitest` from 4.0.14 to 4.0.15
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.15/packages/vitest)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.7.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: vitest
  dependency-version: 4.0.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]