fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade: - https://snyk.io/vuln/npm:ms:20170412 - https://snyk.io/vuln/npm:ms:20170412 - https://snyk.io/vuln/npm:ms:20170412 - https://snyk.io/vuln/npm:ms:20170412 Latest report for icebob/vue-express-mongo-boilerplate: https://snyk.io/test/github/icebob/vue-express-mongo-boilerplate

Author: snyk-bot

package.json

@@ -55,7 +55,7 @@
  "cookie-parser": "1.4.3",
  "cross-env": "3.1.3",
  "csurf": "1.9.0",
- "express": "4.15.2",
+ "express": "4.15.3",
  "express-flash": "0.0.2",
  "express-list-endpoints": "3.0.0",
  "express-session": "1.14.2",
@@ -99,11 +99,11 @@
  "pretty-bytes": "4.0.2",
  "pug": "2.0.0-beta6",
  "require-webpack-compat": "3.0.0",
- "serve-favicon": "2.3.2",
+ "serve-favicon": "2.4.3",
  "slug": "0.9.1",
  "snyk": "^1.22.1",
- "socket.io": "1.7.3",
- "socket.io-client": "1.7.3",
+ "socket.io": "2.0.0",
+ "socket.io-client": "2.0.0",
  "uuid-token-generator": "0.5.0",
  "winston": "2.3.0",
  "winston-daily-rotate-file": "1.4.0",