Deprecate async version of withValue and introduce sync version. (#1792)

Author: mbrandonw

Sources/ComposableArchitecture/Effects/ConcurrencySupport.swift

@@ -325,11 +325,11 @@ public final actor ActorIsolated<Value: Sendable> {
   /// - Parameters: operation: An operation to be performed on the actor with the underlying value.
   /// - Returns: The result of the operation.
   public func withValue<T: Sendable>(
-    _ operation: @Sendable (inout Value) async throws -> T
-  ) async rethrows -> T {
+    _ operation: @Sendable (inout Value) throws -> T
+  ) rethrows -> T {
     var value = self.value
     defer { self.value = value }
-    return try await operation(&value)
+    return try operation(&value)
   }
 
   /// Overwrite the isolated value with a new value.

Sources/ComposableArchitecture/Internal/Deprecations.swift

@@ -3,6 +3,23 @@ import Combine
 import SwiftUI
 import XCTestDynamicOverlay
 
+// MARK: - Deprecated after 0.47.2
+
+extension ActorIsolated {
+  @available(
+    *,
+     deprecated,
+     message: "Use the non-async version of 'withValue'."
+  )
+  public func withValue<T: Sendable>(
+    _ operation: @Sendable (inout Value) async throws -> T
+  ) async rethrows -> T {
+    var value = self.value
+    defer { self.value = value }
+    return try await operation(&value)
+  }
+}
+
 // MARK: - Deprecated after 0.45.0:
 
 @available(