Navigate to https://developer.apple.com/account/resources/certificates/list and revoke "Distribution Managed (Xcode Cloud)" cert if you get
error: exportArchive No signing certificate "iOS Distribution" found
or revoke "Development Managed (Xcode Cloud)" cert if you get
error: exportArchive No signing certificate "iOS Development" found
This will make Xcode Cloud to re-generate certificates.
Topic:
Developer Tools & Services
SubTopic:
Xcode Cloud