Add configurable timeout to fetching the remote schema

[SeppahBaws]

Fixes #1302

This adds a timeout to pullSchema. In the rare event that the remote API is unreachable (the request is not cancelled immediately, but just never resolves), pullSchema will show a warning that the remote API is unreachable, instead of hanging indefinitely before nodejs cancels the fetch automatically. (which can sometimes take minutes!)

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• [x] Update the first line to point to the ticket that this PR fixes
• [x] Add a message that clearly describes the fix
• [ ] If applicable, add a test that would fail without this fix
• [x] Make sure the unit and integration tests pass locally with pnpm run tests and cd integration && pnpm run tests
• [x] Includes a changeset if your fix affects the user with pnpm changeset

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🦋 Changeset detected

Latest commit: 661487129c9160364cb323702e706d39b31a4c1a

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

This PR includes changesets to release 8 packages

| Name | Type | | ----------------------------------- | ----- | | houdini | Patch | | houdini-adapter-auto | Patch | | houdini-adapter-cloudflare | Patch | | houdini-adapter-node | Patch | | houdini-react | Patch | | houdini-svelte | Patch | | houdini-plugin-svelte-global-stores | Patch | | create-houdini | Patch |

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