l10n: Update locale files

[sync-l10n-for-pdf-js]

Automated weekly update of locale files from mozilla-central.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.18%. Comparing base (d63ef00) to head (5939118).

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #21808   +/-   ##
=======================================
  Coverage   90.18%   90.18%           
=======================================
  Files         264      264           
  Lines       67332    67332           
=======================================
  Hits        60724    60724           
  Misses       6608     6608           

Flag	Coverage Δ
unittestcli	56.92% <ø> (+<0.01%)	⬆️

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