chore(deps): update dependency ember-concurrency to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-concurrency	^3.0.0 -> ^4.0.0

---

Release Notes

machty/ember-concurrency (ember-concurrency)

v4.0.2

Compare Source

• Make glint template an optional peer dependency (#​572)

v4.0.1

Compare Source

• Update assert in task-public-api.js to include note about required Babel transform for arrow functions (#​569)

v4.0.0

Compare Source

• Ember Concurrency is now a V2 Embroider Addon (#​551)
  • BREAKING CHANGE: you must now register the Babel transform used by Ember Concurrency within consuming apps and addons
    • See upgrade docs: https://ember-concurrency.com/docs/v4-upgrade
  • The guides have been updated to reflect modern/best practices:
    • Instead of using the (perform) helper, it is now recommended that the bound .perform() method on each Task be directly invoked in the template, e.g. {{on "click" this.myTask.perform}}, or, when arguments are present, {{on "click" (fn this.myTask.perform 123 'foo')}}
  • Glint template registry has been provided for EC's 3 helpers.

---

Configuration

📅 Schedule: 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.