Add user_lang to tournament_results

[vtm9]

Fixes #ISSUE_ID

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 53.40%. Comparing base (14f4f83) to head (bb0f1b9).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
.../codebattle/users_points_and_rank_update_server.ex	0.00%	2 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2214      +/-   ##
==========================================
+ Coverage   51.28%   53.40%   +2.12%     
==========================================
  Files         269      269              
  Lines        6090     6089       -1     
==========================================
+ Hits         3123     3252     +129     
+ Misses       2967     2837     -130     

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