refractor(www): Use nodes in gatsbyjs.org code instead of edges.node

[b0nbon1]

Description

Replacing where there are edges.node on the docs codes to nodes to maintain Code cleanliness of the gatsby website.

Related Issues

Fixes issue #21255

[tesseralis]

This looks great! Thank you so much for this. Just make sure to format the files correctly with prettier and fix the conflicts and we should be good to go :)

[KyleAMathews]

Awesome, thanks!

[gatsbot]

Holy buckets, @b0nbon1 — we just merged your PR to Gatsby! 💪💜

Gatsby is built by awesome people like you. Let us say “thanks” in two ways:

1. We’d like to send you some Gatsby swag. As a token of our appreciation, you can go to the Gatsby Swag Store and log in with your GitHub account to get a coupon code good for one free piece of swag. We’ve got Gatsby t-shirts, stickers, hats, scrunchies, and much more. (You can also unlock even more free swag with 5 contributions — wink wink nudge nudge.) See gatsby.dev/swag for details.
2. We just invited you to join the Gatsby organization on GitHub. This will add you to our team of maintainers. Accept the invite by visiting https://github.com/orgs/gatsbyjs/invitation. By joining the team, you’ll be able to label issues, review pull requests, and merge approved pull requests.

If there’s anything we can do to help, please don’t hesitate to reach out to us: tweet at @gatsbyjs and we’ll come a-runnin’.

Thanks again!