Update OpenAPI spec for Wallets

[alberto-crossmint]

Description

Test plan

Package updates

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Latest commit: b3a50c7

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Project	Deployment	Preview	Comments	Updated (UTC)
crossmint-sdk-quickstart-devkit	Ready	Preview	Comment	Sep 23, 2025 10:19am

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
smart-wallet-auth-demo	Ignored			Sep 23, 2025 10:19am