Bump ember-source from 4.12.4 to 6.11.0

Bumps [ember-source](https://github.com/emberjs/ember.js) from 4.12.4 to 6.11.0.
- [Release notes](https://github.com/emberjs/ember.js/releases)
- [Changelog](https://github.com/emberjs/ember.js/blob/main/CHANGELOG.md)
- [Commits](https://github.com/emberjs/ember.js/commits)

---
updated-dependencies:
- dependency-name: ember-source
  dependency-version: 6.11.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs-app/package.json

@@ -52,7 +52,7 @@
     "ember-load-initializers": "^3.0.1",
     "ember-qunit": "^9.0.1",
     "ember-resolver": "^13.1.0",
-    "ember-source": "~6.1.0",
+    "ember-source": "~6.11.0",
     "ember-template-lint": "^6.0.0",
     "ember-test-selectors": "^7.0.0",
     "eslint": "^9.17.0",