Fix dates for whats new in 10 P1 (#2012)

Author: adegeo

dotnet-desktop-guide/net/winforms/whats-new/net100.md

@@ -2,7 +2,7 @@
 title: What's new in WinForms for .NET 10 Preview
 description: Learn about what's new in Windows Forms for .NET 10 Preview. New versions of Windows Forms are released yearly with .NET.
 ms.topic: whats-new
-ms.date: 02/13/2025
+ms.date: 02/25/2025
 #customer intent: As a developer, I want to know what's changed so that I can remain up-to-date.
 ---
 
@@ -12,7 +12,7 @@ This article describes what's new in Windows Forms for .NET 10 Preview 1.
 
 ## Preview 1
 
-.NET 10 Preview 1 was released on February 20, 2025.
+.NET 10 Preview 1 was released on February 25, 2025.
 
 The main improvement in WinForms for .NET 10 Preview 1 was changes to clipboard serialization and deserialization.
 

dotnet-desktop-guide/net/wpf/whats-new/net100.md

@@ -2,7 +2,7 @@
 title: What's new in WPF for .NET 10 Preview
 description: Learn about what's new in Windows Presentation Foundation (WPF) for .NET 10 Preview. New versions of WPF are released yearly with .NET.
 ms.topic: whats-new
-ms.date: 02/13/2025
+ms.date: 02/25/2025
 #customer intent: As a developer, I want to know what's changed so that I can remain up-to-date.
 ---
 
@@ -12,7 +12,7 @@ This article describes what's new in Windows Presentation Foundation (WPF) for .
 
 ## Preview 1
 
-.NET 10 Preview 1 was released on February 20, 2025.
+.NET 10 Preview 1 was released on February 25, 2025.
 
 For WPF, .NET 10 only included a few minor patches and bug fixes. Key areas are: