Bump the npm-majors group with 2 updates

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


Updates `@vitest/coverage-istanbul` from 3.2.4 to 4.0.9
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.9/packages/coverage-istanbul)

Updates `vitest` from 3.2.4 to 4.0.9
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.9/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-istanbul"
  dependency-version: 4.0.9
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: npm-majors
- dependency-name: vitest
  dependency-version: 4.0.9
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: npm-majors
...

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Author: dependabot[bot]