chore(deps): update dependency eslint to v6.8.0

Author: renovate-bot

package-lock.json

@@ -34,7 +34,7 @@
     "language-puppet"
   ],
   "devDependencies": {
-    "eslint": "6.7.2",
+    "eslint": "6.8.0",
     "eslint-config-airbnb-base": "14.0.0",
     "eslint-plugin-import": "2.19.1",
     "jasmine-fix": "1.3.1"