fix(docs): Correct definition for isMailtoURI

[enesklcarslan]

fix(docs): Correct definition for isMailtoURI

Fix definition of isMailtoURI

Checklist

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.95%. Comparing base (b958bd7) to head (70d19d7). Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2369      +/-   ##
==========================================
- Coverage   99.95%   99.95%   -0.01%     
==========================================
  Files         107      107              
  Lines        2454     2449       -5     
  Branches      619      619              
==========================================
- Hits         2453     2448       -5     
  Partials        1        1              

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[WikiRik]

#2368 has been merged which fixed this

[profnandaa]

closing in favor of https://github.com/validatorjs/validator.js/pull/2368, thanks for the PR!