chore(deps-dev): bump ember-template-lint from 5.2.0 to 5.6.0

Bumps [ember-template-lint](https://github.com/ember-template-lint/ember-template-lint) from 5.2.0 to 5.6.0.
- [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@v5.2.0...v5.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
   "devDependencies": {
     "@release-it-plugins/lerna-changelog": "5.0.0",
     "@release-it-plugins/workspaces": "^3.2.0",
-    "ember-template-lint": "^5.2.0",
+    "ember-template-lint": "^5.6.0",
     "eslint": "^7.32.0",
     "eslint-plugin-ember": "^11.4.6",
     "eslint-plugin-node": "^11.1.0",