Update dependency ember-cli-notifications to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ember-cli-notifications	6.3.4 → 9.1.0

---

Release Notes

mansona/ember-cli-notifications (ember-cli-notifications)

v9.1.0

ember-cli-notifications 9.1.0 (minor)

🚀 Enhancement

• docs-app, ember-cli-notifications, test-app
  • #​378 Update addon blueprint using ember-cli-update (@​mansona)

📝 Documentation

• #​375 README tweaks (@​mastastealth)

🏠 Internal

• #​379 update release plan (@​mansona)
• #​376 update release-plan (again) (@​mansona)
• #​374 update release-plan (@​mansona)

Committers: 2

• Brian Franco (@​mastastealth)
• Chris Manson (@​mansona)

v9.0.0

ember-cli-notifications 9.0.0 (major)

💥 Breaking Change

• #​365 move to a v2 addon (@​mansona)
• #​327 Drop support for Ember < 3.16 and move to field-guide (@​mansona)

🚀 Enhancement

• #​364 Stop using ember-get-config (@​nlepage)

🏠 Internal

• #​372 fix typo in release-plan config (@​mansona)
• #​371 remove unreleased changelog entry (@​mansona)
• #​370 add --singlePackage to release-plan config (@​mansona)
• #​368 Release Preview (@​github-actions[bot])
• #​367 setup release-plan (@​mansona)
• #​366 fix lint-to-the-future CI job (@​mansona)
• #​362 Update minimum supported Node.js version to v16 (No longer relevant) (@​Turbo87)

Committers: 4

• Chris Manson (@​mansona)
• Nicolas Lepage (@​nlepage)
• Tobias Bieniek (@​Turbo87)
• @​github-actions[bot]

v8.0.0

Compare Source

==================

• Replace overridable icon paths with overridable icon components #​324 from @​pichfl
• BREAKING: Remove obsolete equals helper #​326 from @​pichfl
• Breaking: Drop support for Node 10 and Modernize syntax #​320 from @​pichfl
• add no-deprecations ember-try scenarios #​322 from @​mansona
• Fix no-curly-component-invocation issues #​319 from @​Turbo87
• update lint-to-the-future #​318 from @​mansona
• Fix prettier issues #​315 from @​Turbo87
• Fix implicit-this issues #​314 from @​Turbo87
• add fail-fast: false for ember-try scenarios #​317 from @​mansona

v7.0.0

Compare Source

==================

• Relax ember-get-config requirement to allow v0.3.x #​312 from @​Turbo87
• [BREAKING] Update ember using ember-cli-update and drop support for Node 8, Ember 2.18, and Ember 3.4 #​308 from @​mansona

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.