Add CocoaPods requirement (#7060)

Author: ryanwilson

AppleSilicon.md

@@ -5,8 +5,8 @@ using Xcode 12.0 or above. See the instructions below for CocoaPods and Carthage
 
 ## CocoaPods
 
-All source-based Firebase CocoaPods work as expected. Binary pods are listed below with the current
-status.
+All source-based Firebase CocoaPods work as expected. Binary pods require CocoaPopds version 1.10.0
+and are listed below with the current status.
 
 ### Analytics + GoogleAppMeasurement