Export withMainSerialExecutor (#2033)

* wip

* Move `_withMainSerialExecutor` to swift-dependencies

* bump

Author: stephencelis

ComposableArchitecture.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -23,7 +23,7 @@ let package = Package(
     .package(url: "https://github.com/pointfreeco/swift-case-paths", from: "0.14.0"),
     .package(url: "https://github.com/apple/swift-collections", from: "1.0.2"),
     .package(url: "https://github.com/pointfreeco/swift-custom-dump", from: "0.10.0"),
-    .package(url: "https://github.com/pointfreeco/swift-dependencies", from: "0.2.0"),
+    .package(url: "https://github.com/pointfreeco/swift-dependencies", from: "0.4.0"),
     .package(url: "https://github.com/pointfreeco/swift-identified-collections", from: "0.7.0"),
     .package(url: "https://github.com/pointfreeco/swiftui-navigation", from: "0.7.1"),
     .package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "0.8.4"),
@@ -32,20 +32,19 @@ let package = Package(
     .target(
       name: "ComposableArchitecture",
       dependencies: [
+        .product(name: "_SwiftUINavigationState", package: "swiftui-navigation"),
         .product(name: "CasePaths", package: "swift-case-paths"),
         .product(name: "CombineSchedulers", package: "combine-schedulers"),
         .product(name: "CustomDump", package: "swift-custom-dump"),
         .product(name: "Dependencies", package: "swift-dependencies"),
         .product(name: "IdentifiedCollections", package: "swift-identified-collections"),
         .product(name: "OrderedCollections", package: "swift-collections"),
-        .product(name: "_SwiftUINavigationState", package: "swiftui-navigation"),
         .product(name: "XCTestDynamicOverlay", package: "xctest-dynamic-overlay"),
       ]
     ),
     .testTarget(
       name: "ComposableArchitectureTests",
       dependencies: [
-        "_CAsyncSupport",
         "ComposableArchitecture",
       ]
     ),
@@ -56,7 +55,6 @@ let package = Package(
         .product(name: "Benchmark", package: "swift-benchmark"),
       ]
     ),
-    .systemLibrary(name: "_CAsyncSupport"),
   ]
 )
 

Package.resolved

@@ -1,6 +1,7 @@
 import Combine
 import CombineSchedulers
 import ComposableArchitecture
+@_spi(Concurrency) import Dependencies
 import XCTest
 
 @MainActor
@@ -112,7 +113,7 @@ final class ComposableArchitectureTests: BaseTCATestCase {
   }
 
   func testCancellation() async {
-    await _withMainSerialExecutor {
+    await withMainSerialExecutor {
       let mainQueue = DispatchQueue.test
 
       enum Action: Equatable {