Icu 16545 upgrade ember addons api (#2791)

* v4.12.1...v5.12.0

* chore: 🤖 yarn.lock changes from ember upgrade

* chore: 🤖 ember init blueprint changes

* chore: 🤖 yarn.lock updates

* chore: 🤖 fix build errors

* chore: 🤖 yarn.lock file changes

* refactor: 💡 undo style path change

* chore: 🤖 fix build errors

* chore: 🤖 yarn.lock file changes

* test: 💍 add @ember/string back in to fix test error

* chore: 🤖 remove eslint prettier plugin

* chore: 🤖 remove prettier eslint plugin in api addon

* docs: ✏️ add comments back in

ui/desktop/package.json

@@ -53,7 +53,7 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/render-modifiers": "^2.0.4",
     "@ember/string": "^4.0.0",
-    "@ember/test-helpers": "^3.3.1",
+    "@ember/test-helpers": "^4.0.5",
     "@faker-js/faker": "^8.0.2",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
@@ -93,7 +93,6 @@
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-ember": "^12.2.1",
     "eslint-plugin-n": "^16.6.2",
-    "eslint-plugin-prettier": "^5.2.1",
     "eslint-plugin-qunit": "^8.1.2",
     "js-bexpr": "hashicorp/js-bexpr#9b4a4b54d85eba67fdfc0990133d1518d890b1e1",
     "loader.js": "^4.7.0",