Fix untranslated "Yes, delete" button in row delete confirmation

[Markkuuss]

Fixes #751

Wrap the Yes, delete label in _() so it is passed through the translation system.

Update .po files and regenerate .mo files.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (0f684fe) to head (a4ae1b5).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #753   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           86        86           
  Lines         6848      6848           
=========================================
  Hits          6848      6848           

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