chore(package): update eslint to version 5.0.0 (#124)

Author: greenkeeper[bot]

handwritten/bigquery/package.json

@@ -79,7 +79,7 @@
     "@google-cloud/storage": "*",
     "async": "^2.6.0",
     "codecov": "^3.0.0",
-    "eslint": "^4.11.0",
+    "eslint": "^5.0.0",
     "eslint-config-prettier": "^2.7.0",
     "eslint-plugin-node": "^6.0.0",
     "eslint-plugin-prettier": "^2.3.1",