Update dependency semver to ^6.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
semver	devDependencies	minor	^6.0.0 -> ^6.1.0	source

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Release Notes

npm/node-semver

v6.1.0

Compare Source

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[codecov]

Codecov Report

Merging #141 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #141   +/-   ##
========================================
  Coverage    11.64%   11.64%           
========================================
  Files           14       14           
  Lines         1168     1168           
  Branches       155      155           
========================================
  Hits           136      136           
  Misses         885      885           
  Partials       147      147

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