v.3.13.0

What's Changed

• Fix for model.validate() causes error. (#185 reported by @ollar)
• Bump ember-composable-helpers from 3.2.0 to 5.0.0 by @dependabot in #187
• Bump ember-source-channel-url from 2.0.1 to 3.0.0 by @dependabot in #190

Full Changelog: v3.12.0...v.3.13.0