chore: 🤖 upgrade deps for ember 3.28 and fix qunit lint errors

addons/api/package.json

@@ -66,6 +66,7 @@
     "eslint-plugin-ember": "^10.5.4",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
+    "eslint-plugin-qunit": "^6.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.4.0",
@@ -73,7 +74,7 @@
     "qunit-dom": "^2.0.0"
   },
   "engines": {
-    "node": ">=10 <=15"
+    "node": ">=12 <=17"
   },
   "ember": {
     "edition": "octane"