fix: updated ru_RU locale

[qramilq]

Renamed locale.ok key from English 'Ok' to Russian 'ОК' to be the same as in antd's ru_RU locale file (for example)

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[codecov]

Codecov Report

Merging #207 (5ed286f) into master (8c7e081) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #207   +/-   ##
=======================================
  Coverage   99.61%   99.61%           
=======================================
  Files          45       45           
  Lines        2094     2094           
  Branches      616      616           
=======================================
  Hits         2086     2086           
  Misses          6        6           
  Partials        2        2           

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