[flutter] Update macOS Pods to use deployment target 10.13.

spine-flutter/example/macos/Podfile

@@ -1,4 +1,4 @@
-platform :osx, '10.11'
+platform :osx, '10.13'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

spine-flutter/example/macos/Podfile.lock

@@ -17,6 +17,6 @@ SPEC CHECKSUMS:
   FlutterMacOS: ae6af50a8ea7d6103d888583d46bd8328a7e9811
   spine_flutter: 9cf72fc0088c2820e80a4d3dc83ba29ac58f40d1
 
-PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
+PODFILE CHECKSUM: a884f6dd3f7494f3892ee6c81feea3a3abbf9153
 
 COCOAPODS: 1.11.3

spine-flutter/example/macos/Runner.xcodeproj/project.pbxproj

@@ -404,7 +404,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -483,7 +483,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -530,7 +530,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.13;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;

spine-flutter/macos/spine_flutter.podspec

@@ -22,7 +22,7 @@ A new Flutter FFI plugin project.
   s.xcconfig = { 'HEADER_SEARCH_PATHS' => '"' + __dir__ + '/Classes/spine-cpp/include"' }
   s.dependency 'FlutterMacOS'
 
-  s.platform = :osx, '10.11'
+  s.platform = :osx, '10.13'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.swift_version = '5.0'
 end