Bump eslint-config-uphold@2.3.0

[diogotorres97]

We forgot to bump eslint-config-upload 😄

Related issue: #47

Without this bump, I got this on notification-service:

/Users/diogo.torres/Projects/uphold/notification-service/test/utils/nsq-message.js
  0:0  error  Parsing error: require() of ES Module /Users/diogo.torres/Projects/uphold/notification-service/node_modules/eslint-scope/lib/definition.js from /Users/diogo.torres/Projects/uphold/notification-service/node_modules/babel-eslint/lib/require-from-eslint.js not supported.
Instead change the require of definition.js in /Users/diogo.torres/Projects/uphold/notification-service/node_modules/babel-eslint/lib/require-from-eslint.js to a dynamic import() which is available in all CommonJS modules