Automatic merge of gitlab-org/gitlab-ce master

app/assets/stylesheets/framework/flash.scss

app/controllers/application_controller.rb

app/controllers/concerns/confirm_email_warning.rb

app/controllers/confirmations_controller.rb

app/controllers/registrations_controller.rb

app/models/user.rb

app/serializers/deployment_entity.rb

app/serializers/deployment_serializer.rb

changelogs/unreleased/56130-deployment-date.yml

config/initializers/8_devise.rb

spec/controllers/concerns/confirm_email_warning_spec.rb

spec/controllers/registrations_controller_spec.rb

spec/features/invites_spec.rb

spec/features/users/login_spec.rb

spec/features/users/signup_spec.rb

spec/fixtures/api/schemas/deployment.json

spec/serializers/deployment_entity_spec.rb