Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• Have you tested with the latest master to confirm the issue still exists?
• Have you searched for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Sponsorship to speed up the bug fix or feature request (example)

Description

When generating a scala-sttp client with data-schema defined as the example below(format: byte, type: string), the code is generated with the reference to ByteArray which causes compile to fail.

openapi-generator version

The both version 5.2.0 and the latest master branch

OpenAPI declaration file content

components:
  schemas:
     TraceWithScreenshotData:
        properties:
           screenshot:
               description: |-
                   The screenshot image encoded using base64.
                   A screenshot should start with a data uri scheme 'data:image/png;base64'.
              format: byte
              type: string
        type: object

Generation Details

Command line used for generation

openapi-generator-cli generate \
  -g scala-sttp \
  -i name_of_file.yaml \
  -p mainPackage=myPackage \
  -o myApi

Generated model class TraceWithScreenshotData

case class TraceWithScreenshotData(
  /* The screenshot image encoded using base64. A screenshot should start with a data uri scheme 'data:image/png;base64'. */
  screenshot: Option[ByteArray] = None
)

Steps to reproduce

See above

Related issues/PRs

similar issue in scala-akka client: #5580

Suggest a fix