chore(*): ensure all prepare scripts set NODE_ENV (#11911)
chore(*): ensure all prepare scripts set NODE_ENV (#11911)

This solves an issue where _jsxFileName is set upon publishing--which
seems to be a debugging/development mode tweak that Babel makes.

See the recently released [gatsby-plugin-cxs](https://unpkg.com/gatsby-plugin-cxs@2.0.5/gatsby-ssr.js) for an example (check the _jsxFileName in particular)

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## Description

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## Related Issues

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