fix: upgrade multiple dependencies with Snyk (#545)

Snyk has created this PR to upgrade:
  - @babel/core from 7.12.10 to 7.12.13.
    See this package in npm: https://www.npmjs.com/package/@babel/core
  - @babel/preset-env from 7.12.11 to 7.12.13.
    See this package in npm: https://www.npmjs.com/package/@babel/preset-env

See this project in Snyk:
https://app.snyk.io/org/nodeshift-agg/project/0569fa2f-39b2-4a6a-9bdc-8ac878d28a88?utm_source=github&utm_medium=upgrade-pr

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