simplify new expression

src/Shared/HandyControlDemo_Shared/Tools/Helper/AssemblyHelper.cs

@@ -7,7 +7,7 @@ namespace HandyControlDemo.Tools
     {
         private static readonly string NameSpaceStr = typeof(AssemblyHelper).Assembly.GetName().Name;
 
-        private static readonly Dictionary<string, object> CacheDic = new Dictionary<string, object>();
+        private static readonly Dictionary<string, object> CacheDic = new();
 
         public static void Register(string name, object instance) => CacheDic[name] = instance;