Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.3 to 1.10.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.10.3...v1.10.4)
Signed-off-by: dependabot[bot] <support@github.com>

Se añaden las pruebas de readyness y liveness para la app final y un volumen para almacenar todo lo de activestorage