[Docs Bug 🐞 report]: wrong type of payload in MessageExample

[Pakisan]

Describe the bug you found in AsyncAPI Docs.

According to JSON Schema MessageExample.payload may be of any type

See:

• fix: fix type of payload in MessageExample spec-json-schemas#561
• fix: parse message payload of any type other than map of String to Object jasyncapi#208

Code of Conduct

• I agree to follow this project's Code of Conduct

[derberg]

hey, why we need this issue here?

[Pakisan]

hey, why we need this issue here?

To bind it with PR. In a future open PR without issues?

[derberg]

not in website repo

and also if it is a bug, and PR is just minute or work and minute of review - no issue needed really