chore(package): update eslint to version 6.2.0

Closes #38

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
   "devDependencies": {
     "commitizen": "^3.0.7",
     "cz-conventional-changelog": "^2.0.0",
-    "eslint": "^5.15.1",
+    "eslint": "^6.2.0",
     "eslint-config-finn": "^3.0.1",
     "eslint-config-finn-prettier": "^3.0.2",
     "eslint-plugin-import": "^2.16.0",