Move processing queue to root of Core

CHANGELIST.md

@@ -75,6 +75,7 @@
 - Remove firmware output for Redumper (Deterous)
 - Merge EnumConverter and EnumExtensions
 - Move event args to root of Core
+- Move processing queue to root of Core
 
 ### 3.1.9a (2024-05-21)
 

MPF.Core/ProcessingQueue.cs

@@ -7,7 +7,7 @@ using System.Collections.Concurrent;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace MPF.Core.Data
+namespace MPF.Core
 {
     public sealed class ProcessingQueue<T> : IDisposable
     {