bump version

-## NEXT
+## 5.2.4
+
+* [iOS] iOS 15.5.0 is now the minimum supported iOS version.
 
 Improvements:
+* [iOS] Updates MLkit to the latest release.
 * [MacOS] Added the corners and size information to barcode results.
 * [MacOS] Added support for `analyzeImage`.
 * [MacOS] Added a Privacy Manifest.

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>15.5.0</string>
 </dict>
 </plist>

 # Uncomment this line to define a global platform for your project
-# platform :ios, '12.0'
+# platform :ios, '15.5.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -41,7 +41,7 @@ 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['IPHONEOS_DEPLOYMENT_TARGET'] = '12.0'
+          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '15.5.0'
         end
   end
 end

@@ -470,7 +470,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -601,7 +601,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -650,7 +650,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.5.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'mobile_scanner'
-  s.version          = '5.2.3'
+  s.version          = '5.2.4'
   s.summary          = 'An universal scanner for Flutter based on MLKit.'
   s.description      = <<-DESC
 An universal scanner for Flutter based on MLKit.
@@ -15,8 +15,8 @@ An universal scanner for Flutter based on MLKit.
   s.source           = { :path => '.' }
   s.source_files = 'Classes/**/*'
   s.dependency 'Flutter'
-  s.dependency 'GoogleMLKit/BarcodeScanning', '~> 6.0.0'
-  s.platform = :ios, '12.0'
+  s.dependency 'GoogleMLKit/BarcodeScanning', '~> 7.0.0'
+  s.platform = :ios, '15.5.0'
   s.static_framework = true
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'mobile_scanner'
-  s.version          = '5.2.3'
+  s.version          = '5.2.4'
   s.summary          = 'An universal scanner for Flutter based on MLKit.'
   s.description      = <<-DESC
 An universal scanner for Flutter based on MLKit.

 name: mobile_scanner
 description: A universal barcode and QR code scanner for Flutter based on MLKit. Uses CameraX on Android, AVFoundation on iOS and Apple Vision & AVFoundation on macOS.
-version: 5.2.3
+version: 5.2.4
 repository: https://github.com/juliansteenbakker/mobile_scanner
 
 screenshots: