fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - dotenv from 16.0.1 to 16.4.5.
    See this package in npm: https://www.npmjs.com/package/dotenv
  - express from 4.18.1 to 4.19.2.
    See this package in npm: https://www.npmjs.com/package/express
  - jsonwebtoken from 9.0.0 to 9.0.2.
    See this package in npm: https://www.npmjs.com/package/jsonwebtoken
  - mongoose from 6.5.1 to 6.13.0.
    See this package in npm: https://www.npmjs.com/package/mongoose

See this project in Snyk:
https://app.snyk.io/org/icanos-1337/project/c185c506-83dc-4497-8d7c-f9efd3608625?utm_source=github&utm_medium=referral&page=upgrade-pr