Version v4 items

[patocallaghan]

Potential list of things to change to ship a v4

• Upgrade to more modern Ember LTS & Node version Upgrade to Ember 3.24 #443
• Add ember-try scenarios Upgrade to Ember 3.24 #443
• Upgrade old Broccoli plugins Dependency on older broccoli plugin versions prevents test runs with more recent ember-data versions #441
• Add release-it-lerna-changelog to the repo to align with other Adopted Ember Addons Add release-it to repo and generate initial CHANGELOG.md #454
• Remove custom vendor code in place of using ember-auto-import.
  • ember-auto-import v2
• Fix Embroider compatibility Factory Guy incompatible with Embroider #437
• Fix Factory Guy + Model Fragments + newer Ember Data incompatibility Compatibility with Ember Data Model Fragments new refactor #417
• Remove deprecated helpers: mockSetup, mockTeardown and mockFind [BREAKING] Remove deprecated helpers #463
• Modernize dummy app codebase to Octane
• Fix deprecation warnings
• Ember v4
• Ember Addon V2

[averydev]

😍

[patocallaghan]

Dummy app modernized by @Techn1x in #474