解决flutter更新到1.17出现[google_maps_flutter] iOS - undefined symbols for architecture问题

报错内容；

Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_GMSMarker", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapMarkerController.o)
  "_OBJC_CLASS_$_GMSMutablePath", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapPolylineController.o)
  "_OBJC_CLASS_$_GMSCameraPosition", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapController.o)
  "_OBJC_CLASS_$_GMSCameraUpdate", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapController.o)
  "_OBJC_CLASS_$_GMSCoordinateBounds", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapController.o)
  "_OBJC_CLASS_$_GMSMapView", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapController.o)
  "_OBJC_CLASS_$_GMSPolyline", referenced from:
      objc-class-ref in google_maps_flutter(GoogleMapPolylineController.o)
  "_kGMSMinZoomLevel", referenced from:
      _InterpretMapOptions in google_maps_flutter(GoogleMapController.o)
  "_kGMSMaxZoomLevel", referenced from:
      _InterpretMapOptions in google_maps_flutter(GoogleMapController.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

更新到flutter 1.17之后出现这个问题，之前使用v1.12.13+hotfix.9正常，目前没找到正确的解决办法，所以只有回退到之前的版本，
解决方法：
1、回退到v1.12.13+hotfix.9
2、删除掉Runner.xcworkspace
3、重新 pod install
4、重新运行