NT-1863 && NT-1860: Update translations

[Arkariang]

📲 What

• New strings for the Notifications Preferences Screen
• New Strings for the Newsletters Preferences Screen

👀 See

| | |

📋 QA

• Take a look here https://docs.google.com/document/d/1u_51eMYkkQ3qbLk2HFKoJYslG9VdHzDU_2eu2TpApCA/

Story 📖

NT-1860
NT-1863

[codecov]

Codecov Report

Merging #1231 (970d1ee) into master (159dd01) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1231   +/-   ##
=========================================
  Coverage     74.63%   74.63%           
  Complexity      733      733           
=========================================
  Files           221      221           
  Lines          6664     6664           
  Branches        402      402           
=========================================
  Hits           4974     4974           
  Misses         1557     1557           
  Partials        133      133           

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[leighdouglas]

LGTM! 🚀