Fix: iOS17 Bug

Author: lanistzhang

ios/flutter_inappwebview.podspec

@@ -22,6 +22,8 @@ A new Flutter plugin.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }
   s.swift_version = '5.0'
 
+  s.platforms = { :ios => '11.0' }
+
   s.dependency 'OrderedSet', '~>5.0'
 
   s.default_subspec = 'Core'