upgrade validator to v10.6.1

[likakuli]

• fix some validator problems:
  • Fix boolean support for required_if, required_unless and eqfield
  • Fixed url_encoded validation regex not handling totally unescaped data

[codecov]

Codecov Report

Merging #2729 (b0bba41) into master (afb3839) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2729   +/-   ##
=======================================
  Coverage   98.68%   98.68%           
=======================================
  Files          41       41           
  Lines        2054     2054           
=======================================
  Hits         2027     2027           
  Misses         15       15           
  Partials       12       12           

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