fix: builds in ci with new package version

package.json

@@ -31,50 +31,43 @@
     "semantic-release": "semantic-release"
   },
   "dependencies": {
-    "ember-cli-babel": "^7.4.1",
-    "ember-cli-htmlbars": "^5.0.0"
+    "ember-cli-babel": "^7.19.0",
+    "ember-cli-htmlbars": "^4.3.1"
   },
   "devDependencies": {
+    "@ember/optional-features": "^1.3.0",
     "@glimmer/component": "^1.0.1",
     "@glimmer/tracking": "^1.0.1",
     "@semantic-release/changelog": "^5.0.1",
     "@semantic-release/git": "^9.0.0",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
     "coveralls": "^3.1.0",
-    "ember-addon-starterkit": "^0.1.11",
-    "ember-ajax": "^5.0.0",
+    "ember-auto-import": "^1.5.3",
     "ember-cli": "~3.18.0",
     "ember-cli-code-coverage": "github:kategengler/ember-cli-code-coverage#v1.0.0-beta.9",
-    "ember-cli-dependency-checker": "^3.1.0",
-    "ember-cli-eslint": "^5.1.0",
+    "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-github-pages": "^0.2.1",
-    "ember-cli-htmlbars-inline-precompile": "^3.0.0",
-    "ember-cli-inject-live-reload": "^2.0.1",
-    "ember-cli-qunit": "^4.4.0",
-    "ember-cli-release": "^1.0.0-beta.2",
-    "ember-cli-shims": "^1.2.0",
+    "ember-cli-inject-live-reload": "^2.0.2",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-uglify": "^3.0.0",
-    "ember-cli-yuidoc": "^0.9.0",
     "ember-disable-prototype-extensions": "^1.1.3",
-    "ember-export-application-global": "^2.0.0",
-    "ember-load-initializers": "^2.0.0",
-    "ember-maybe-import-regenerator-for-testing": "^1.0.0",
+    "ember-export-application-global": "^2.0.1",
+    "ember-load-initializers": "^2.1.1",
+    "ember-maybe-import-regenerator": "^0.1.6",
+    "ember-qunit": "^4.6.0",
     "ember-resolver": "^8.0.0",
     "ember-source": "~3.18.0",
     "ember-source-channel-url": "^2.0.1",
-    "ember-template-lint": "^2.8.0",
+    "ember-template-lint": "^2.6.0",
     "ember-try": "^1.4.0",
-    "ember-welcome-page": "^4.0.0",
-    "eslint": "^7.1.0",
-    "eslint-plugin-disable-features": "^0.1.3",
-    "eslint-plugin-ember": "^8.5.2",
+    "eslint": "^6.8.0",
+    "eslint-plugin-ember": "^8.4.0",
     "eslint-plugin-node": "^11.1.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "semantic-release": "^17.0.8",
-    "yuidoc-ember-theme": "^2.0.1"
+    "qunit-dom": "^1.2.0"
   },
   "engines": {
     "node": "10.* || >= 12"