Pull request #89: Update iOS SDK to 12.18.0

Merge in MML/infobip-mobile-messaging-flutter from ibilobrk-MM-6826-flutter-iOS18 to main

Squashed commit of the following:

commit 5350074178bb78c16b44b7301c24e8b857dfd7e1
Author: Ivan Bilobrk <[email protected]>
Date:   Thu Dec 19 13:20:03 2024 +0100

    update Readme

commit 53a2e90107f7bf8fb0d0bb9be7024c4a0ea5c759
Author: Ivan Bilobrk <[email protected]>
Date:   Thu Dec 19 10:28:39 2024 +0100

    extarct version

commit 630bb61d3c946a48f4d4275b891599fb940f71f4
Author: Ivan Bilobrk <[email protected]>
Date:   Tue Dec 17 10:31:52 2024 +0100

    update SDK

README.md

@@ -10,7 +10,7 @@ The document describes plugin integration steps for your Flutter project.
 - Flutter 3.3.0+
 
 For iOS project:
-- Xcode 13.4.1
+- Xcode 16.x
 - Minimum deployment target 12.0
 
 For Android project:

ios/infobip_mobilemessaging.podspec

@@ -7,6 +7,7 @@ require 'yaml'
 
 pubspec = YAML.load_file(File.join('..', 'pubspec.yaml'))
 library_version = pubspec['version'].gsub('+', '-')
+mmVersion = "12.18.0"
 
 Pod::Spec.new do |s|
   s.name             = 'infobip_mobilemessaging'
@@ -21,11 +22,11 @@ A new flutter plugin project.
   s.source           = { :path => '.' }
   s.source_files = 'Classes/**/*'
   s.dependency 'Flutter'
-  s.dependency "MobileMessaging/Core", "12.14.0"
-  s.dependency "MobileMessaging/InAppChat", "12.14.0"
-  s.dependency "MobileMessaging/Inbox", "12.14.0"
+  s.dependency "MobileMessaging/Core", mmVersion
+  s.dependency "MobileMessaging/InAppChat", mmVersion
+  s.dependency "MobileMessaging/Inbox", mmVersion
   if defined?($WebRTCUIEnabled)
-    s.dependency "MobileMessaging/WebRTCUI", "12.14.0"
+    s.dependency "MobileMessaging/WebRTCUI", mmVersion
   end
   s.platform = :ios, '12.0'