fix: correct sample for `reorder_chunk`.

[billy-the-fish]

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Fixes #[insert issue link, if any]

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[github-actions[bot]]

Allow 10 minutes from last push for the staging site to build. If the link doesn't work, try using incognito mode instead. For internal reviewers, check web-documentation repo actions for staging build status. Link to build for this PR: http://docs-dev.timescale.com/docs-3094-content-bug-reorder_chunk-requires-index-schema