Update gh-pages-deploy to version 0.4.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

gh-pages-deploy just published its new version 0.4.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of gh-pages-deploy – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 4 commits .

• ac11607 bump version and update chalk
• bded93c Merge pull request #18 from konsumer/master
• e36b633 better docs forpost``
• 0eac6fc Handle commands: resolves #17

See the full diff.

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[gr2m]

:tada: This PR is included in version 3.0.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: