Update verify_init script to support changed sv CLI options

[SeppahBaws]

This fixes currently broken builds, because of the deprecated CLI options in the svelte cli.
I also pinned the version of the cli to the current latest, 0.6, so that we don't have to do this again every time they push a non-backwards compatible change.

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

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

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Latest commit: 5137276

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[AlecAivazis]

Thanks for getting this out