Bug OAS v3.1 examples support

[xiaoxiangmoe]

Describe the bug

• If you are reporting a bug, please help to speed up problem diagnosis by providing as
  much information as possible:
• A clear and concise description of what the bug is: the title of an issue is not enough

        @Schema(description = "transaction subject", requiredMode = REQUIRED, example = "Hello", examples = { "Hello", "World" })
        public String subject;

The examples field is not working in swagger 3.1

To Reproduce
Steps to reproduce the behavior:

• What version of spring-boot you are using? 3.1.2

• What modules and versions of springdoc-openapi are you using? springdoc-openapi-starter-webmvc-ui 2.2.0

• What is the actual and the expected result using OpenAPI Description (yml or json)?
  https://github.com/xiaoxiangmoe/swagger-core-refs-description-is-ignored/blob/bug/oas-v31/src/main/resources/static/current-api-docs.json
  https://github.com/xiaoxiangmoe/swagger-core-refs-description-is-ignored/blob/bug/oas-v31/src/main/resources/static/expected-api-docs.json

• Provide with a sample code (HelloController) or Test that reproduces the problem
  https://github.com/xiaoxiangmoe/swagger-core-refs-description-is-ignored/tree/bug/oas-v31

Screenshots
Here need examples:

description is wrong here:

Additional context
none