fix(deps): update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v2.8.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.springdoc:springdoc-openapi-starter-webmvc-ui (source)	2.8.5 -> 2.8.6

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Release Notes

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

v2.8.6

Added

• #​2909 - Check both SerDe BeanPropertyDefinition for @​JsonUnwrapped/@​Schema
• #​2927 - Bail sealed class subtype introspection on Schema
• #​2917 - Add Future to ignored response wrappers
• #​2938 - Add out of the box support for LocalTime, YearMonth, MonthDay

Changed

• Upgrade swagger-ui to v5.20.1
• Upgrade swagger-core to 2.2.29
• Upgrade spring-cloud-function to 4.2.2
• Upgrade spring-boot to version 3.4.4

Fixed

• #​2928 - Add missing builder methods in SchemaBuilder
• #​2905 - ModelResolver.enumAsRef = true result in invalid openapi with actuator using enum param
• #​2939 - Duplicate ModelConverter registration with Spring Boot DevTools
• #​2941 - SpringBoot native fails /v3/api-docs when using a Map as an http entity field

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