Update dependency ember-test-selectors to v5

Author: renovate-bot

package-lock.json

@@ -91,7 +91,7 @@
     "ember-source": "3.20.3",
     "ember-svg-jar": "2.2.3",
     "ember-template-lint": "2.11.0",
-    "ember-test-selectors": "4.1.0",
+    "ember-test-selectors": "5.0.0",
     "ember-truth-helpers": "2.1.0",
     "ember-web-app": "4.0.0",
     "ember-window-mock": "0.7.1",