Add catalan translations

[magarrent]

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[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (1.4@015c517). Click here to learn what that means.
The diff coverage is n/a.

@@          Coverage Diff           @@
##             1.4    #5291   +/-   ##
======================================
  Coverage       ?   63.37%           
  Complexity     ?     1394           
======================================
  Files          ?      195           
  Lines          ?     4120           
  Branches       ?        0           
======================================
  Hits           ?     2611           
  Misses         ?     1509           
  Partials       ?        0           

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[emptynick]

Thanks!

The next time, please use the default (1.4) branch and create a branch based on it. This way you can have multiple open PRs without them conflicting.