kotlin ByteArray property incorrect

[codymikol]

Describe the bug

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When a model contains a ByteArray field, springdoc does not correctly generate a property definition.

currently this is generated

"properties": {
          "data": {
            "type": "array",
            "items": {
              "type": "string",
              "format": "byte"
            }
          }
        }

When is should be

        "properties": {
          "data": {
            "type": "string",
            "format": "byte"
          }
        }

as per https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#data-types

To Reproduce
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• What version of spring-boot you are using?
• What modules and versions of springdoc-openapi are you using?
• What is the actual and the expected result using OpenAPI Description (yml or json)?
• Provide with a sample code (HelloController) or Test that reproduces the problem

I've fixed it here already: #1687

I'm honestly happy to fix it myself, I just want to document the bug now so no one else gets stuck on it.

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