Fix SwiftPM build issue for release configuration

error: function type mismatch, declared as '@convention(c) (Optional<UnsafeMutableRawPointer>) -> ()' but used as '@convention(thin) (@owned Optional<AnyObject>) -> ()

Author: Kyle-Ye

Sources/OpenSwiftUICore/View/Animation/Transaction/Transaction.swift

@@ -229,9 +229,14 @@ public func withTransaction<R, V>(
     return try withTransaction(transaction, body)
 }
 
+@_transparent
 private var threadTransactionData: AnyObject? {
-    @_silgen_name("_threadTransactionData")
-    get
-    @_silgen_name("_setThreadTransactionData")
-    set
+    get {
+        _threadTransactionData() as AnyObject?
+    }
+    set {
+        _setThreadTransactionData(
+            newValue.map { Unmanaged.passUnretained($0).toOpaque() }
+        )
+    }
 }