Prepare release 2.3.0

[sergei-maertens]

Release date is planned for next Tuesday, so tagging this branch as beta for testing purposes.

• Updated translations
• Bumped version
• Updated changelog

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 75.93%. Comparing base (34febe8) to head (7d1d588).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #696 +/- ## ========================================== + Coverage 75.84% 75.93% +0.08% ========================================== Files 225 225 Lines 4575 4575 Branches 1235 1235 ========================================== + Hits 3470 3474 +4 + Misses 1072 1068 -4 Partials 33 33 ```

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