chore(deps): update dependency standard to v13.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
standard (source)	devDependencies	minor	13.0.2 -> 13.1.0

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Release Notes

standard/standard

### [`v13.1.0`](https://togithub.com/standard/standard/blob/master/CHANGELOG.md#​1310---2019-07-20) [Compare Source](https://togithub.com/standard/standard/compare/v13.0.2...v13.1.0) - Update `eslint` from `~6.0.1` to `~6.1.0`

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