Update ruby-i18n to 1.7.0.
1.7.0 (2019-10-04)
No documantation is available. Please refer:
<https://github.com/ruby-i18n/i18n/compare/v1.6.0...v1.7.0>
1.6.0 (2019-03-03)
Major updates
*Added support for eagerloading I18n -- which probably improves boot times for applications if implemented correctly - See #469 for more details.
* Added ability to disable I18n translation resolution by setting I18n.locale = false. See #471 for more information.
Bugfixes / other improvements
* Add support for uppercased date format directives - #468
Other changes
* Fixed flaky test issue with JRuby - #459 / #460
* gemspec homepage now points to ruby-i18n/i18n - #465
* Update README to point to ruby-i18n/i18n - #473
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