Bump i18n-tasks from 0.9.37 to 1.0.8 (#17993)

* Bump i18n-tasks from 0.9.37 to 1.0.8

Bumps [i18n-tasks](https://github.com/glebm/i18n-tasks) from 0.9.37 to 1.0.8.
- [Release notes](https://github.com/glebm/i18n-tasks/releases)
- [Changelog](https://github.com/glebm/i18n-tasks/blob/main/CHANGES.md)
- [Commits](https://github.com/glebm/i18n-tasks/compare/v0.9.37...v1.0.8)

---
updated-dependencies:
- dependency-name: i18n-tasks
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Run `bundle exec i18n-tasks normalize`

* Add `admin_mailer.new_appeal.actions.*` to ignore_unused

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>

Gemfile

@@ -101,7 +101,7 @@ gem 'rdf-normalize', '~> 0.5'
 group :development, :test do
   gem 'fabrication', '~> 2.28'
   gem 'fuubar', '~> 2.5'
-  gem 'i18n-tasks', '~> 0.9', require: false
+  gem 'i18n-tasks', '~> 1.0', require: false
   gem 'pry-byebug', '~> 3.9'
   gem 'pry-rails', '~> 0.3'
   gem 'rspec-rails', '~> 5.1'