Run npm audit fix to fix vulnerabilities

$ npm audit fix
npm WARN ngx-cookie@4.1.2 requires a peer of @nguniversal/express-engine@>=5.0.0 but none is installed. You must install peer dependencies yourself.

added 1 package from 1 contributor, removed 4 packages and updated 4 packages in 8.644s
fixed 51 of 56 vulnerabilities in 17451 scanned packages
  3 vulnerabilities required manual review and could not be updated
  2 package updates for 2 vulnerabilities involved breaking changes
  (use `npm audit fix --force` to install breaking changes; or refer to `npm audit` for steps to fix these manually)

Signed-off-by: michael sorens <msorens@chef.io>