imp: update podfile for ios 11

@@ -37,5 +37,9 @@ end
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
+        target.build_configurations.each do |config|
+          config.build_settings['ENABLE_BITCODE'] = 'NO'
+            config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '11.0'
+        end
   end
 end