fix(swagger-options): add persistAuthorization to SwaggerUiOptions

[do-not-do-that]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/nest/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe: Type definition improvement (developer experience)

What is the current behavior?

Currently, SwaggerUiOptions does not include the persistAuthorization property, which is a valid option in Swagger UI.
This causes TypeScript users to not receive autocomplete and type safety for this option.

Issue Number: N/A

What is the new behavior?

This PR adds persistAuthorization to the SwaggerUiOptions interface, allowing TypeScript users to use this option with proper type inference.

Does this PR introduce a breaking change?

• Yes
• No

Other information

Swagger UI documentation confirms that persistAuthorization is a valid option.
Reference: https://swagger.io/docs/open-source-tools/swagger-ui/usage/configuration/

[kamilmysliwiec]

LGTM