fix: upgrade multiple dependencies with Snyk (#136)

Snyk has created this PR to upgrade:
  - @babel/core from 7.20.12 to 7.21.5.
    See this package in npm: https://www.npmjs.com/package/@babel/core
  - @babel/preset-env from 7.20.2 to 7.21.5.
    See this package in npm: https://www.npmjs.com/package/@babel/preset-env

See this project in Snyk:
https://app.snyk.io/org/plan-x/project/43ecce79-408c-4464-831c-06da1d999308?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <snyk-bot@snyk.io>