Bump hexo-util from 3.0.1 to 3.1.0 (#2)

Bumps [hexo-util](https://github.com/hexojs/hexo-util) from 3.0.1 to 3.1.0.
- [Release notes](https://github.com/hexojs/hexo-util/releases)
- [Commits](hexojs/hexo-util@v3.0.1...v3.1.0)

---
updated-dependencies:
- dependency-name: hexo-util
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>