Update Gatsby and fix scroll issue

[tobias-tengler]

A user reported the inability to scroll using arrow keys, with this change the website can be scrolled again, albeit the scrollbar is now partially hidden behind the header.

[tobias-tengler]

@rstaib Is it intentional that the .yarn directory with its cache was checked in?

[rstaib]

@tobias-tengler Yes, it is intentional. We switched to yarn 2 by the way.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[glen-84]

Closes https://github.com/ChilliCream/hotchocolate/issues/3846.

[CLAassistant]

All committers have signed the CLA.