Update dependency ember-template-lint to v4

Author: renovate-bot

package.json

@@ -104,7 +104,7 @@
     "ember-router-scroll": "4.1.2",
     "ember-source": "3.28.8",
     "ember-svg-jar": "2.3.4",
-    "ember-template-lint": "3.16.0",
+    "ember-template-lint": "4.0.0",
     "ember-test-selectors": "6.0.0",
     "ember-tooltips": "3.5.1",
     "ember-truth-helpers": "3.0.0",