After upgrading firebase from Firebase Unity SDK version 5.2.1 to any of the above versions, the iOS project will fail during archive with the error:
/Pods/FirebaseDynamicLinks/Firebase/DynamicLinks/FDLURLComponents/FDLURLComponents.m:19:9: 'DynamicLinks/FDLURLComponents/FDLURLComponents+Private.h' file not found

Android is built successfully with the above versions.

The project builds fine when locally after a pod update / install but will never build in Unity's cloud build. When going back to SDK version 5.2.1 it will build successfully again.

Is there a missing dependency when Unity Cloud Build runs? A repo that isn't updated?
This blocks us from upgrading to future versions of the SDK.