feat(isTaxId): Added Tax ID validation for Ukraine (uk-UA)

[arttiger]

Checklist

• PR contains only changes related; no stray files, etc.
• README updated (where applicable)
• Tests written (where applicable)
• References provided in PR (where applicable)

See more: Wikipedia

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b958bd7) 99.95% compared to head (98d3b62) 99.95%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2357   +/-   ##
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  Coverage   99.95%   99.95%           
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  Files         107      107           
  Lines        2454     2456    +2     
  Branches      619      620    +1     
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+ Hits         2453     2455    +2     
  Partials        1        1           

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