SHOULD use hyphenated pascal case for header parameters

Header parameters SHOULD use hyphenated Pascal case.

Name	Description
hyphenated pascal	Each word MUST begin with a capital letter, and be separated by a hyphen.

Invalid Example

parameters:
- schema:
    type: string
    in: header
    name: PascalCaseHeader

Valid Example

parameters:
- schema:
    type: string
    in: header
    name: Pascal-Case-Header

Zalando Guideline 132