Support tuple types (prefixItems)

[codebutler]

Describe the bug

Error with the schema below:

type array must have items defined

items is not required when using prefixItems, see: https://json-schema.org/understanding-json-schema/reference/array#tupleValidation

OpenAPI Spec File

openapi: 3.1.0
info:
  title: Example
  description: 'Example'
  version: 1.0.0
paths: {}
components:
  schemas:
    Test:
      properties:
        example_tuple:
          items:
            maxItems: 2
            minItems: 2
            prefixItems:
              - type: string
              - {}
            type: array
          title: Example tuple
          type: array
          uniqueItems: true
      title: Test
      type: object

Desktop (please complete the following information):

• OS: macOS 14.3
• Python Version: 3.12.1
• openapi-python-client version: 0.17.2

Additional context