chore(deps): update dependency standard-version to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
standard-version	devDependencies	major	^5.0.0 -> ^6.0.0	source

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Release Notes

conventional-changelog/standard-version

v6.0.1

Compare Source

v6.0.0

Compare Source

Bug Fixes

• always pass version to changelog context (#​327) (00e3381)
• deps: update dependency detect-indent to v6 (#​341) (234d9dd)
• deps: update dependency detect-newline to v3 (#​342) (02a6093)
• deps: update dependency figures to v3 (#​343) (7208ded)
• deps: update dependency semver to v6 (#​344) (c40487a)
• deps: update dependency yargs to v13 (#​345) (b2c8e59)
• prevent duplicate headers from being added (#​305) (#​307) (db2c6e5)

Build System

• add renovate.json (#​273) (bf41474)
• drop Node 6 from testing matrix (#​346) (6718428)

Features

• adds configurable conventionalcommits preset (#​323) (4fcd4a7)
• allow a user to provide a custom changelog header (#​335) (1c51064)
• bump minor rather than major, if release is < 1.0.0 (#​347) (5d972cf)
• suggest branch name other than master (#​331) (304b49a)
• update commit msg for when using commitAll (#​320) (74a040a)

Tests

• disable gpg signing in temporary test repositories. (#​311) (bd0fcdf)
• use const based on new eslint rules (#​329) (b6d3d13)

BREAKING CHANGES

• we now bump the minor rather than major if version < 1.0.0; --release-as can be used to bump to 1.0.0.
• tests are no longer run for Node 6
• we now use the conventionalcommits preset by default, which directly tracks conventionalcommits.org.

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[codecov]

Codecov Report

Merging #1019 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1019   +/-   ##
=======================================
  Coverage   94.81%   94.81%           
=======================================
  Files          97       97           
  Lines        6207     6207           
  Branches      486      486           
=======================================
  Hits         5885     5885           
  Misses        183      183           
  Partials      139      139

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[renovate]

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