[Solved] CocoaPods could not find compatible versions for pod 'FirebaseFirestore'

CocoaPods could not find compatible versions for pod "FirebaseFirestore":
In Podfile:

cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`) was resolved to 4.9.1, which depends on
Firebase/Firestore (= 10.12.0) was resolved to 10.12.0, which depends on
FirebaseFirestore (~ 10.12.0)

Solution:
arch -x86_64 pod install --repo-update