chore(package): update eslint to version 6.5.1

Closes #19

Author: greenkeeper[bot]

package.json

@@ -5,7 +5,7 @@
   "main": "iknowishouldnt.js",
   "devDependencies": {
     "@neogeek/eslint-config-standards": "^1.15.0",
-    "eslint": "^4.5.0",
+    "eslint": "^6.5.1",
     "mocha": "^3.4.2"
   },
   "scripts": {