Link to issue number:

None

Summary of the issue:

Liblouis 3.22.0 has been released.

Description of how this pull request fixes the issue:

Updates liblouis to 3.22.0. Changelog.

Testing strategy:

Ran from sources and loaded the new braille table. Works as it should.

Known issues with pull request:

None

Change log entries:

Section: Changes

- Updated liblouis braille translator to [3.22.0 https://github.com/liblouis/liblouis/releases/tag/v3.22.0]. (#13775)
  - New braille table: German grade 2 (detailed)

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English