Xcode 13 Support (#3486)

* Update for Xcode 13, workaround Combine issues.

* Disable Combine on Windows and Linux.

Alamofire.xcodeproj/project.pbxproj

@@ -1224,7 +1224,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1250;
-				LastUpgradeCheck = 1250;
+				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = Alamofire;
 				TargetAttributes = {
 					31293064263E17D600473CEA = {

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire macOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Alamofire.xcodeproj/xcshareddata/xcschemes/Alamofire watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Example/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Source/Combine.swift

@@ -22,7 +22,7 @@
 //  THE SOFTWARE.
 //
 
-#if canImport(Combine)
+#if !((os(iOS) && (arch(i386) || arch(arm))) || os(Windows) || os(Linux))
 
 import Combine
 import Dispatch

Tests/CombineTests.swift

@@ -22,7 +22,7 @@
 //  THE SOFTWARE.
 //
 
-#if canImport(Combine)
+#if !((os(iOS) && (arch(i386) || arch(arm))) || os(Windows) || os(Linux))
 
 import Alamofire
 import Combine

watchOS Example/watchOS Example.xcodeproj/xcshareddata/xcschemes/watchOS Example WatchKit App.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"