Bump browser-sync from 2.29.3 to 3.0.2

Bumps [browser-sync](https://github.com/BrowserSync/browser-sync) from 2.29.3 to 3.0.2.
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](BrowserSync/browser-sync@v2.29.3...v3.0.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -15,7 +15,7 @@
     "@babel/polyfill": "^7.4.4",
     "@babel/preset-env": "^7.5.5",
     "@babel/register": "^7.5.5",
-    "browser-sync": "^2.26.7",
+    "browser-sync": "^3.0.2",
     "fs-extra": "^11.1.1",
     "gulp": "^4.0.0",
     "yaml-js": "^0.3.1"