Upgrade: Bump puppeteer from 2.1.0 to 2.1.1

Bumps [puppeteer](https://github.com/puppeteer/puppeteer) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/puppeteer/puppeteer/releases)
- [Commits](puppeteer/puppeteer@v2.1.0...v2.1.1)

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

Author: dependabot-preview[bot]

package.json

@@ -61,7 +61,7 @@
     "mktemp": "^1.0.0",
     "normalize-path": "^3.0.0",
     "npm-run-all": "^4.1.3",
-    "puppeteer": "2.1.0",
+    "puppeteer": "2.1.1",
     "remove-markdown": "^0.3.0",
     "shelljs": "^0.8.3",
     "stylelint": "^13.0.0",