Fix/subscription controller update card payment

[tuna1207]

Explanation

Correct updatePaymentMethod return redirectUrl for card payment

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

[lionellbriones]

lgtm

[cursor]

Bug: Missing Export Causes TypeScript Compilation Errors

The UpdatePaymentMethodCardResponse type is not exported from the package's index.ts. This type is part of the public return type of the updatePaymentMethod API for card payment responses. TypeScript consumers cannot properly type this response, causing compilation errors.