Upgrade to vite 6

[SeppahBaws]

Fixes #1401

This upgrades the vite dependency to v6.
I haven't added a changelog yet as I'm not entirely sure how exactly we want to version this.
Leaving it as draft until we can figure this out. Can also change it to merge into the houdini-2.0 branch...

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[changeset-bot]

🦋 Changeset detected

Latest commit: ecace0a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 8 packages

Name	Type
houdini-plugin-svelte-global-stores	Minor
houdini-svelte	Minor
houdini-react	Minor
houdini	Minor
houdini-adapter-auto	Patch
houdini-adapter-cloudflare	Patch
houdini-adapter-node	Patch
houdini-adapter-static	Patch

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