chore(deps): update docusaurus to v1.14.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
docusaurus	patch	devDependencies	1.14.3 -> 1.14.4

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Release Notes

facebook/docusaurus

### [`v1.14.4`](https://togithub.com/facebook/docusaurus/blob/master/CHANGELOG.md#​1144---2020-01-12) [Compare Source](https://togithub.com/facebook/docusaurus/compare/v1.14.3...v1.14.4) ##### :bug: Bug Fix - `docusaurus-1.x` - [#​2196](https://togithub.com/facebook/docusaurus/pull/2196) fix(v1): fix JSX highlighting by passing language to Prism ([@​gaearon](https://togithub.com/gaearon)) ##### :house: Internal - `docusaurus-1.x` - [#​2194](https://togithub.com/facebook/docusaurus/pull/2194) blog: tribute to Endi ([@​JoelMarcey](https://togithub.com/JoelMarcey)) - [#​2163](https://togithub.com/facebook/docusaurus/pull/2163) blog: 2019 recap ([@​yangshun](https://togithub.com/yangshun)) - [#​2087](https://togithub.com/facebook/docusaurus/pull/2087) fix(v1): add key to versions.map in versions.js ([@​FeynmanDNA](https://togithub.com/FeynmanDNA)) - [#​2083](https://togithub.com/facebook/docusaurus/pull/2083) refactor(v1): fix props for ProjectTitle ([@​FeynmanDNA](https://togithub.com/FeynmanDNA)) ##### Committers: 6 - [@​TransmissionsDev](https://togithub.com/TransmissionsDev) - [@​gaearon](https://togithub.com/gaearon) - [@​janko](https://togithub.com/janko) - [@​yangshun](https://togithub.com/yangshun) - [@​JoelMarcey](https://togithub.com/JoelMarcey) - [@​FeynmanDNA](https://togithub.com/FeynmanDNA)

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