Update dependency ember-template-lint to v2.20.0

Author: renovate-bot

package.json

@@ -120,7 +120,7 @@
 		"ember-route-action-helper": "2.0.8",
 		"ember-source": "3.25.1",
 		"ember-source-channel-url": "3.0.0",
-		"ember-template-lint": "2.19.0",
+		"ember-template-lint": "2.20.0",
 		"ember-truth-helpers": "3.0.0",
 		"ember-try": "1.4.0",
 		"eslint": "7.20.0",

yarn.lock

@@ -11050,10 +11050,10 @@ ember-string-helpers@devotox/ember-string-helpers:
   dependencies:
     ember-cli-babel "7.6.0"
 
-ember-template-lint@2.19.0:
-  version "2.19.0"
-  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.19.0.tgz#e493942ffc67cae9b1f11e0ec776dcc58c8aab02"
-  integrity sha512-x1cX8VLY2J4uMpFtn/hSGvBYNwRLV0w3Wnw02KetMGwuwdo214fVH/X95UDLZlBMPQL1yk0WAVwAd2qrNmE0Gg==
+ember-template-lint@2.20.0:
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.20.0.tgz#73844a588acb167df8fe281f227c7a0837d1bc2d"
+  integrity sha512-J1iO/fAsWQe9CHAx102tEjALSTIOxeNGn5GjqJzWmfyxfSJlTMq1XqhfBBXoqTM9zmi/WFf5m6uH5cPIQSBStQ==
   dependencies:
     chalk "^4.0.0"
     ember-template-recast "^5.0.1"