Bump ua-parser-js and browser-sync (#62)

Bumps [ua-parser-js](https://github.com/faisalman/ua-parser-js) and [browser-sync](https://github.com/BrowserSync/browser-sync). These dependencies needed to be updated together.

Updates `ua-parser-js` from 1.0.2 to 1.0.33
- [Release notes](https://github.com/faisalman/ua-parser-js/releases)
- [Changelog](https://github.com/faisalman/ua-parser-js/blob/master/changelog.md)
- [Commits](faisalman/ua-parser-js@1.0.2...1.0.33)

Updates `browser-sync` from 2.27.11 to 2.28.1
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](BrowserSync/browser-sync@v2.27.11...v2.28.1)

---
updated-dependencies:
- dependency-name: ua-parser-js
  dependency-type: indirect
- dependency-name: browser-sync
  dependency-type: indirect
...

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