ios version upgraded to 15

ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-platform :ios, '14.0'
+platform :ios, '15.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -40,7 +40,7 @@ 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'] = '14.0'
+      config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '15.0'
 
       # Fix for Xcode 15+ DT_TOOLCHAIN_DIR issue
       if config.base_configuration_reference && File.exist?(config.base_configuration_reference.real_path)
@@ -55,7 +55,7 @@ post_install do |installer|
   installer.generated_projects.each do |project|
     project.targets.each do |target|
       target.build_configurations.each do |config|
-        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '14.0'
+        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '15.0'
         config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
           '$(inherited)',
           ## dart: PermissionGroup.microphone

ios/Runner.xcodeproj/project.pbxproj

@@ -379,7 +379,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -403,7 +403,7 @@
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = Atoms;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -534,7 +534,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -587,7 +587,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -613,7 +613,7 @@
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = Atoms;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -709,7 +709,7 @@
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = Atoms;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",