[BUG][Go][Client] Invalid syntax for nullable binary

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?
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Description

The generated code has invalid syntax and produces the following error:
syntax error: unexpected * in struct type; possibly missing semicolon or newline or }

openapi-generator version

7.3.0

OpenAPI declaration file content or url

    content:
      type: string
      format: binary
      nullable: true

Spec from https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/api-reference/v2.0/dynamics-open-api#download-business-central-openapi-specification

Generates following go struct field:

Content Nullable*os.File `json:"content,omitempty"`

Generation Details

openapi-generator-cli generate -c config.yaml --skip-operation-example

generatorName: go
inputSpec: bcoas1.0.yaml
outputDir: ./lib
packageName: businesscentral
withGoMod: false

Steps to reproduce

Try to use and compile the code. It will fail.

Related issues/PRs

Suggest a fix

Run the reported openapi-generator-cli command with config.yaml and bcoas1.0.yaml, then inspect the generated Go struct containing Content Nullable*os.File. Trace how the nullable binary field is rendered and verify that the generated client compiles without the reported syntax error.