Bump ember-template-lint from 3.8.0 to 3.9.0 (#359)

Bumps [ember-template-lint](https://github.com/ember-template-lint/ember-template-lint) from 3.8.0 to 3.9.0.
- [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@v3.8.0...v3.9.0)

---
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>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

yarn.lock

@@ -5237,9 +5237,9 @@ ember-source@~3.28.0:
     silent-error "^1.1.1"
 
 ember-template-lint@^3.4.2:
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.8.0.tgz#e1faf7ef013ef2b8772c11e442dbb63e3fa92b07"
-  integrity sha512-saaJz6ZK/B4jz1pdfJlkRimnwtOKfDZRhw3eAcO5P6OD/pV5ZKMRniy1AyX7E2jymkGc6pbs8dUrhF08Usivrw==
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.9.0.tgz#f45d82081f0d753c59b39c36e6bbdf252d85b842"
+  integrity sha512-qo3iMiiP+a+5K4E1AlH+PSPbXBLP8fgb2BYwyUQ8k6IIs6Z00Ct2ySd3BWxGL2rw+Dyp53yJ5Zj8sSSYDFDTkg==
   dependencies:
     "@ember-template-lint/todo-utils" "^10.0.0"
     chalk "^4.1.2"