Update dependency ember-source to v4.11.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-source (source)	4.10.0 -> 4.11.0

---

Release Notes

emberjs/ember.js

### [`v4.11.0`](https://togithub.com/emberjs/ember.js/blob/HEAD/CHANGELOG.md#v4110-February-20-2023) [Compare Source](https://togithub.com/emberjs/ember.js/compare/v4.10.0...v4.11.0) - [#​20288](https://togithub.com/emberjs/ember.js/pull/20288) \[FEATURE] Stable types for `@ember/owner` - [#​20323](https://togithub.com/emberjs/ember.js/pull/20323) \[FEATURE] Introduce stable types for `@ember/error` - [#​20361](https://togithub.com/emberjs/ember.js/pull/20361) \[BUGFIX] Support a `router.ts` file when generating routes - [#​20373](https://togithub.com/emberjs/ember.js/pull/20373) / [#​20374](https://togithub.com/emberjs/ember.js/pull/20374) \[BUGFIX] Make the type for `SafeString` public - [#​20345](https://togithub.com/emberjs/ember.js/pull/20345) \[CLEANUP] Remove flags for released features - [#​20285](https://togithub.com/emberjs/ember.js/pull/20285) Update to TS v4.9

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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 has been generated by Mend Renovate. View repository job log here.