Ensure houdini generate exits with 1 in case of errors

[SeppahBaws]

Fixes https://discord.com/channels/1024421016405016718/1209467376224182312

To help everyone out, please make sure your PR does the following:

• [x] Update the first line to point to the ticket that this PR fixes
• [x] Add a message that clearly describes the fix
• [x] 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

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: f3fd8e84213b10cda6e08dec783a21b8abb679b0

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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