Bump hexo from 5.4.2 to 6.3.0

Bumps [hexo](https://github.com/hexojs/hexo) from 5.4.2 to 6.3.0.
- [Release notes](https://github.com/hexojs/hexo/releases)
- [Commits](hexojs/hexo@5.4.2...6.3.0)

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

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

Author: dependabot[bot]