⬆️ Dep on ember-test-selectors@6

ember-test-selectors@5 was triggering the following deprecations:

- ember-global
- ember.component.reopen
- template-compiler.registerPlugin

Author: bartocc

package-lock.json

@@ -76,7 +76,7 @@
     "ember-resolver": "^8.0.3",
     "ember-source": "~3.28.8",
     "ember-template-lint": "^3.15.0",
-    "ember-test-selectors": "^5.0.0",
+    "ember-test-selectors": "^6.0.0",
     "eslint": "^7.32.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-config-prettier": "^8.3.0",