build(deps-dev): bump browser-sync from 3.0.2 to 3.0.3 in /templates (#10226)

Bumps [browser-sync](https://github.com/BrowserSync/browser-sync) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](BrowserSync/browser-sync@v3.0.2...v3.0.3)

---
updated-dependencies:
- dependency-name: browser-sync
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]