Publishing on CocoaPods - airsidemobile/JOSESwift GitHub Wiki
To be able to release new versions on the CocoaPods Trunk as described here, you need to be registered with CocoaPods as a maintainer of JOSESwift.
Information on how to register with CocoaPods and how current maintainers can add new maintainers can be found in CocoaPods Guides - Getting setup with Trunk.