chore(deps): pin dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
@commitlint/cli	pin	devDependencies	^7.2.0 -> 7.2.0
@commitlint/config-conventional	pin	devDependencies	^7.1.2 -> 7.1.2
@commitlint/travis-cli	pin	devDependencies	^7.6.1 -> 7.6.1
@thibaudcolas/eslint-plugin-cookbook	pin	devDependencies	^4.0.1 -> 4.0.1
docusaurus	pin	devDependencies	^1.7.2 -> 1.7.2
eslint (source)	pin	devDependencies	^5.6.1 -> 5.6.1
prettier (source)	pin	devDependencies	^1.14.3 -> 1.14.3

:pushpin: Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

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