GoogleMobileAds Unity 5.4.0 uses nanopb 2.30907.0 conflict with Firebase Unity SDK 7.0.2 which uses nanopb 2.30906.0

Question

CocoaPods could not find compatible versions for pod "nanopb": In snapshot (Podfile.lock): nanopb (= 2.30907.0, ~> 2.30907.0)