chore: update node to 6.1.0

[davidyuk]

No description provided.

[codecov]

Codecov Report

Merging #1221 (7ff4ccf) into develop (af5b688) will not change coverage.
The diff coverage is n/a.

❗ Current head 7ff4ccf differs from pull request most recent head e15d9ba. Consider uploading reports for the commit e15d9ba to get more accurate results

@@           Coverage Diff            @@
##           develop    #1221   +/-   ##
========================================
  Coverage    59.41%   59.41%           
========================================
  Files           57       57           
  Lines         2649     2649           
  Branches        24       24           
========================================
  Hits          1574     1574           
  Misses        1072     1072           
  Partials         3        3           

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