Update liblouis to 3.23.0

[aaclause]

Link to issue number:

None

Summary of the issue:

Liblouis 3.23.0 has been released.

Description of user facing changes

Updates liblouis to 3.23.0 which adds new braille tables. Changelog.

Description of development approach

Update liblouis submodule, add new builtin tables and map an old table name to new table.

Testing strategy:

Ran from sources and loaded new braille tables. LGTM.

Known issues with pull request:

None

Change log entries:

Section: Changes

- Updated liblouis braille translator to [3.23.0 https://github.com/liblouis/liblouis/releases/tag/v3.23.0]. (#14112)
  - New braille table: Chinese common braille (simplified Chinese characters), Kinyarwanda literary braille, Luganda literary braille, Swedish uncontracted braille, Swedish partially contracted braille, Swedish contracted braille

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
• Security precautions taken.

[AppVeyorBot]

• PASS: Translation comments check.
• PASS: Unit tests.
• PASS: Lint check.
• FAIL: System tests. See test results for more information.
• Build (for testing PR): https://ci.appveyor.com/api/buildjobs/4h8pgl47eyctpn8f/artifacts/output/nvda_snapshot_pr14112-26497,1016d559.exe

See test results for failed build of commit 1016d559b2

[zstanecic]

We should add swedish grade 1 and 2, respectively. These are new Swedish braille tables, according to the new braille standards.

[aaclause]

@zstanecic Already done.