Resolve ember barrel import deprecation

Author: NullVoxPopuli

docs/package.json

@@ -32,9 +32,9 @@
   "devDependencies": {
     "@babel/eslint-parser": "^7.23.3",
     "@ember/app-tsconfig": "^2.0.0",
-    "@ember/optional-features": "^2.0.0",
-    "@ember/string": "^3.1.1",
-    "@ember/test-helpers": "^3.2.1",
+    "@ember/optional-features": "^3.0.0",
+    "@ember/string": "^4.0.1",
+    "@ember/test-helpers": "^5.4.1",
     "@glimmer/component": "^2.1.1",
     "@glimmer/tracking": "^1.0.4",
     "@glint/ember-tsc": "^1.5.0",
@@ -58,15 +58,15 @@
     "ember-cli-terser": "^4.0.2",
     "ember-cli-update": "^2.0.1",
     "ember-disable-prototype-extensions": "^1.1.3",
-    "ember-load-initializers": "^2.1.2",
+    "ember-load-initializers": "^3.0.1",
     "ember-maybe-import-regenerator": "^1.0.0",
-    "ember-qunit": "^8.0.2",
-    "ember-resolver": "^11.0.1",
+    "ember-qunit": "^9.0.4",
+    "ember-resolver": "^13.2.0",
     "ember-source": "~6.12.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-template-imports": "^4.4.0",
     "ember-template-lint": "^6.1.0",
-    "ember-truth-helpers": "^4.0.3",
+    "ember-truth-helpers": "^5.0.0",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-ember": "^12.5.0",