Bump @gitbook/api to use the latest OpenAPI spec

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🦋 Changeset detected

Latest commit: 7dff924efb2d565ccfbbd9620a6dc0e4ecab3c21

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

This PR includes changesets to release 1 package

| Name | Type | | ------------ | ----- | | @gitbook/api | Minor |

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