Bump ember-template-lint from 5.6.0 to 5.11.2

Bumps [ember-template-lint](https://github.com/ember-template-lint/ember-template-lint) from 5.6.0 to 5.11.2.
- [Release notes](https://github.com/ember-template-lint/ember-template-lint/releases)
- [Changelog](https://github.com/ember-template-lint/ember-template-lint/blob/master/CHANGELOG.md)
- [Commits](ember-template-lint/ember-template-lint@v5.6.0...v5.11.2)

---
updated-dependencies:
- dependency-name: ember-template-lint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]