feat: upgrade @astrojs/node from 3.1.0 to 6.0.0

Snyk has created this PR to upgrade @astrojs/node from 3.1.0 to 6.0.0.

See this package in npm:
https://www.npmjs.com/package/@astrojs/node

See this project in Snyk:
https://app.snyk.io/org/q1blue-rxw/project/3056a141-94ed-4e0a-b693-be046d6ad7ef?utm_source=github&utm_medium=referral&page=upgrade-pr