Bump ember-router-scroll from 1.3.3 to 4.0.2

Bumps [ember-router-scroll](https://github.com/dockyard/ember-router-scroll) from 1.3.3 to 4.0.2.
- [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@1.3.3...4.0.2)

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

Author: dependabot-preview[bot]

package.json

@@ -66,7 +66,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit-assert-helpers": "^0.2.1",
     "ember-resolver": "^7.0.0",
-    "ember-router-scroll": "~1.3.2",
+    "ember-router-scroll": "~4.0.2",
     "ember-source": "~3.16.0",
     "ember-source-channel-url": "^2.0.1",
     "ember-test-selectors": "3.0.0",