build(deps): bump puppeteer from 5.3.1 to 5.4.1 in /docs

Bumps [puppeteer](https://github.com/puppeteer/puppeteer) from 5.3.1 to 5.4.1.
- [Release notes](https://github.com/puppeteer/puppeteer/releases)
- [Changelog](https://github.com/puppeteer/puppeteer/blob/main/CHANGELOG.md)
- [Commits](puppeteer/puppeteer@v5.3.1...v5.4.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/package-lock.json

@@ -41,7 +41,7 @@
     "polished": "^3.6.6",
     "prism-react-renderer": "^1.1.1",
     "prop-types": "^15.7.2",
-    "puppeteer": "^5.3.1",
+    "puppeteer": "^5.4.1",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-headroom": "^3.0.0",