adding missing Farsi translations
Update validators.ru.xlf

[Validator] russian language update
Merge branch '2.3'

* 2.3:
  Added missing column to the form's table layout
  Bumped Icu dependency to RC
  Update validators.ru.xlf
  remove check for PHP bug #50731
  adding missing Farsi translations
  Revert "merged branch armetiz/master (PR #8045)"