Update i18n-iso-countries requirement from ^3.7.8 to ^4.1.0
Update i18n-iso-countries requirement from ^3.7.8 to ^4.1.0

Updates the requirements on [i18n-iso-countries](https://github.com/michaelwittig/node-i18n-iso-countries) to permit the latest version.
- [Release notes](https://github.com/michaelwittig/node-i18n-iso-countries/releases)
- [Commits](https://github.com/michaelwittig/node-i18n-iso-countries/compare/v3.7.8...v4.1.0)
zuzakistan/civilservant,zuzakistan/civilservant