Merge branch 'js-translations' into 28433-internationalise-cycle-analytics-page

...cripts/cycle_analytics/components/total_time_component.js

app/assets/javascripts/locale/de/app.js

app/assets/javascripts/locale/en/app.js

app/assets/javascripts/locale/es/app.js

app/assets/javascripts/locale/index.js

app/assets/javascripts/vue_shared/translate.js

config/initializers/gettext_rails_i18n_patch.rb

config/webpack.config.js

locale/de/gitlab.po

locale/en/gitlab.po

locale/es/gitlab.po

locale/gitlab.pot