Update dependency ember-source to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-source (source)	5.12.0 -> 6.0.0

---

Release Notes

emberjs/ember.js (ember-source)

v6.0.0

Compare Source

• [BREAKING] Features and APIs that were deprecated until v6.0 will now throw exceptions and the related code will be removed imminently. For a list of deprecations, see the Deprecation Guide.
• #​20731 [BUGFIX] Bump import Ember from 'ember' barrel file deprecations until 7.0.0
• #​20779 / #​20791 [CLEANUP] Update browser support per RFC #​685. Support is now Chrome >= 109, Edge >= 128 Firefox >= 115, Safari >= 15.6, ChromeAndroid >= 130, FirefoxAndroid >= 130
• #​20773 [CLEANUP] Remove deprecated features from component blueprint per RFC #​995.
• #​20730 [CLEANUP] Remove support for EXTEND_PROTOTYPES
• #​20732 [TYPES] Directly assign a boolean value in deprecated-features
• #​20753 [INTERNAL] Update tagging strategy: ember-source tags will now be v1.2.3-ember-source instead of v1.2.3
• #​20744 Add v2 addon metadata

---

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.