chore(package): update eslint-config-sane to version 0.8.3

Closes #205

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
     "cross-env": "^5.0.0",
     "ember-cli": "~3.8.0",
     "ember-cli-fastboot": "^1.0.0",
-    "eslint-config-sane": "^0.6.0",
+    "eslint-config-sane": "^0.8.3",
     "eslint-plugin-prefer-let": "^1.0.1",
     "mocha": "^5.0.0",
     "mocha-eslint": "^4.0.0",