fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - async from 3.2.2 to 3.2.6.
    See this package in npm: https://www.npmjs.com/package/async
  - body-parser from 1.20.0 to 1.20.2.
    See this package in npm: https://www.npmjs.com/package/body-parser
  - express from 4.17.3 to 4.19.2.
    See this package in npm: https://www.npmjs.com/package/express
  - nodemon from 2.0.15 to 2.0.22.
    See this package in npm: https://www.npmjs.com/package/nodemon
  - pm2 from 5.2.0 to 5.4.2.
    See this package in npm: https://www.npmjs.com/package/pm2

See this project in Snyk:
https://app.snyk.io/org/blinkhash/project/5109047e-f8d9-4e22-915d-ade5d907f6c1?utm_source=github&utm_medium=referral&page=upgrade-pr