add cashapp as a payout method

[AlphaLeoli]

Please confirm the following.

• [X] I checked the existing issues for duplicate feature requests
• [X] I have checked that this feature request is not on our roadmap

What parts of Modrinth is your feature request related too?

Website

Is your suggested feature related to a problem? Please describe.

No response

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

Additional context

No response