Bump browser-sync from 2.29.3 to 3.0.3

Bumps [browser-sync](https://github.com/BrowserSync/browser-sync) from 2.29.3 to 3.0.3.
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/changelog.js)
- [Commits](BrowserSync/browser-sync@v2.29.3...v3.0.3)

---
updated-dependencies:
- dependency-name: browser-sync
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]