Bump ember-router-scroll from 2.0.2 to 3.3.3

Bumps [ember-router-scroll](https://github.com/dockyard/ember-router-scroll) from 2.0.2 to 3.3.3.
- [Release notes](https://github.com/dockyard/ember-router-scroll/releases)
- [Changelog](https://github.com/DockYard/ember-router-scroll/blob/master/CHANGELOG.md)
- [Commits](DockYard/ember-router-scroll@2.0.2...3.3.3)

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

Author: dependabot-preview[bot]