build(deps-dev): bump standard-version from 5.0.2 to 6.0.1

[dependabot-preview]

Bumps standard-version from 5.0.2 to 6.0.1.

Changelog

Sourced from standard-version's changelog.

6.0.1 (2019-05-05)

Bug Fixes

• don't pass args to git rev-parse (1ac72f7)

6.0.0 (2019-05-05)

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.

Commits

• aed52f2 chore(release): 6.0.1
• 13883df build: add .versionrc that hides test/build
• 1ac72f7 fix: don't pass args to git rev-parse
• 95a50c6 docs: don't mention appveyor
• fcdf6ff chore(release): 6.0.0
• 5d972cf feat!: bump minor rather than major, if release is < 1.0.0 (#347)
• 6718428 build!: drop Node 6 from testing matrix (#346)
• b6d3d13 test: use const based on new eslint rules (#329)
• 00e3381 fix: always pass version to changelog context (#327)
• 31a8fd0 chore(deps): update dependency shelljs to v0.8.3 (#333)
• Additional commits viewable in compare view

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