Release 4.0.0-alpha.1

💥 Breaking Change

• #350 Stop delegating targetAttachmentClass argument (@lukemelia)

🏠 Internal

• #351 Avoid global Ember deprecation in add-modals-container initializer (@lukemelia)
• #346 Update lint commands (@rwwagner90)
• #345 Use GitHub Actions instead of Travis (@rwwagner90)
• #344 Update to angle bracket components (@rwwagner90)
• #341 Update to ember-cli 3.16 (@rwwagner90)
• #338 Adopt ember-ignore-children-helper (@bjornharrtell)

Committers: 3

• Björn Harrtell (@bjornharrtell)
• Luke Melia (@lukemelia)
• Robert Wagner (@rwwagner90)