chore: update ESLint

Author: Clauderic Demers

.eslintrc.json

@@ -15,8 +15,9 @@
     "react/forbid-prop-types": "off",
     "react/jsx-filename-extension": "off",
     "react/no-unused-prop-types": "off",
-    "shopify/binary-assignment-parens": "off",
     "react/no-string-refs": 1,
-    "react/no-deprecated": 1
+    "react/no-deprecated": 1,
+    "shopify/binary-assignment-parens": "off",
+    "sort-class-members/sort-class-members": "off"
   }
 }

package.json

@@ -73,8 +73,8 @@
     "babel-plugin-transform-async-to-promises": "^0.8.4",
     "classnames": "^2.2.5",
     "css-loader": "^2.1.0",
-    "eslint": "^4.10.0",
-    "eslint-plugin-shopify": "^26.1.2",
+    "eslint": "^5.16.0",
+    "eslint-plugin-shopify": "^27.0.1",
     "extract-text-webpack-plugin": "^1.0.1",
     "html-webpack-plugin": "^2.16.1",
     "husky": "^1.3.1",