chore(deps): update commitlint monorepo to ^8.3.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@commitlint/cli	devDependencies	patch	^8.3.4	source
@commitlint/config-conventional	devDependencies	patch	^8.3.4	source

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Release Notes

conventional-changelog/commitlint

### [`v8.3.4`](https://togithub.com/conventional-changelog/commitlint/blob/master/CHANGELOG.md#​834httpsgithubcomconventional-changelogcommitlintcomparev833v834-2020-01-03) [Compare Source](https://togithub.com/conventional-changelog/commitlint/compare/v8.3.3...v8.3.4) ##### Bug Fixes - **commitlint:** use new read pkg syntax ([#​888](https://togithub.com/conventional-changelog/commitlint/issues/888)) ([6b3b9a9](https://togithub.com/conventional-changelog/commitlint/commit/6b3b9a9))

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Renovate configuration

:date: Schedule: "on the 1st through 7th day of the month" in timezone America/Los_Angeles.

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