Replace decimal with double in benchmarks

benchmark/EF.Benchmarks.Shared/Models/Orders/OrderLine.cs

@@ -7,7 +7,7 @@ public class OrderLine
     {
         public int OrderLineId { get; set; }
         public int Quantity { get; set; }
-        public decimal Price { get; set; }
+        public double Price { get; set; }
         public bool IsSubjectToTax { get; set; }
         public string SpecialRequests { get; set; }
         public bool IsShipped { get; set; }

benchmark/EF.Benchmarks.Shared/Models/Orders/Product.cs

@@ -12,8 +12,8 @@ public class Product
         public string Name { get; set; }
         public string Description { get; set; }
         public string SKU { get; set; }
-        public decimal Retail { get; set; }
-        public decimal CurrentPrice { get; set; }
+        public double Retail { get; set; }
+        public double CurrentPrice { get; set; }
         public int TargetStockLevel { get; set; }
         public int ActualStockLevel { get; set; }
         public int? ReorderStockLevel { get; set; }

benchmark/EF6.SqlServer.Benchmarks/Query/QueryCompilationTests.cs

@@ -75,7 +75,7 @@ private class DTO
             public string Description { get; set; }
             public int ActualStockLevel { get; set; }
             public string SKU { get; set; }
-            public decimal Savings { get; set; }
+            public double Savings { get; set; }
             public int Surplus { get; set; }
         }
     }

benchmark/EFCore.Benchmarks/Query/QueryCompilationTests.cs

@@ -104,7 +104,7 @@ private class DTO
             public string Description { get; set; }
             public int ActualStockLevel { get; set; }
             public string SKU { get; set; }
-            public decimal Savings { get; set; }
+            public double Savings { get; set; }
             public int Surplus { get; set; }
         }