Auto merge of #2525 - rust-lang:dependabot/npm_and_yarn/ember-template-lint-2.8.0, r=Turbo87

Bump ember-template-lint from 2.7.0 to 2.8.0

Bumps [ember-template-lint](https://github.com/ember-template-lint/ember-template-lint) from 2.7.0 to 2.8.0.

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Author: bors

package-lock.json

@@ -88,7 +88,7 @@
     "ember-router-scroll": "^2.0.1",
     "ember-source": "~3.18.1",
     "ember-svg-jar": "^2.2.3",
-    "ember-template-lint": "^2.7.0",
+    "ember-template-lint": "^2.8.0",
     "ember-test-selectors": "^4.1.0",
     "ember-truth-helpers": "^2.1.0",
     "ember-web-app": "^4.0.0",