Update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v3.1.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springdoc:springdoc-openapi-starter-webmvc-ui (source)	3.0.3 → 3.1.0

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Release Notes

springdoc/springdoc-openapi (org.springdoc:springdoc-openapi-starter-webmvc-ui)

v3.1.0

Added

• #​3269 – Add mechanism to disable nullable for Kotlin properties
• Allow request-specific Swagger UI index transformation

Changed

• Upgrade Spring Boot to version 4.1.0
• Upgrade Spring AI to version 2.0.0
• Upgrade swagger-core to version 2.2.52
• Upgrade swagger-ui to version 5.32.11
• #​3307 – Act upon SonarQube warnings
• #​3306 – Act upon SonarQube warnings

Fixed

• #​3304 – Kotlin parent class's field is not properly marked as nullable
• #​3294 – Duplicated path getting swagger-config
• #​3293 – Inconsistent OpenAPI schema naming with SNAKE_CASE: some Java record fields remain camelCase
• #​3292 – Make WebProperties and WebMvcProperties optional in SwaggerConfig
• #​3284 – Upgrade swagger-core from version 2.2.48 to 2.2.49
• #​3282 – Preserve version from nest() predicate across all routes in nest
• #​3281 – Stabilize Spring Data Page schema property order
• #​3274 – Description disappears from the generated json after upgrade to 3.0.3
• #​3270 – Validation annotation of ParameterObject property applied to PathVariable with the same name, even in unrelated endpoints
• #​3266 – Upgrade swagger-core from version 2.2.47 to 2.2.48
• #​3263 – Null key for a Map not allowed in JSON

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