working ios build update

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-platform :ios, '11.0'
+platform :ios, '15.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -31,6 +31,8 @@ target 'Runner' do
   use_frameworks!
   use_modular_headers!
 
+  pod 'PhoneNumberKit', '~> 3.7.6'
+
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
 #  target 'RunnerTests' do
 #    inherit! :search_paths