Update dependencies from https://github.com/microsoft/testfx build 20250904.3

Microsoft.Testing.Platform , MSTest
 From Version 1.9.0-preview.25453.10 -> To Version 1.9.0-preview.25454.3

Author: dotnet-maestro[bot]

eng/Version.Details.props

@@ -140,8 +140,8 @@ This file should be imported by eng/Versions.props
     <!-- dotnet/core-setup dependencies -->
     <NETStandardLibraryRefPackageVersion>2.1.0</NETStandardLibraryRefPackageVersion>
     <!-- microsoft/testfx dependencies -->
-    <MicrosoftTestingPlatformPackageVersion>1.9.0-preview.25453.10</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>3.11.0-preview.25453.10</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>1.9.0-preview.25454.3</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>3.11.0-preview.25454.3</MSTestPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>

eng/Version.Details.xml

@@ -553,13 +553,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>7ac1ca67bb1fb8a381c1c94a9f82a97725f0ccf3</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25453.10">
+    <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25454.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>684f40affad7afc91e8a960cc64ebf12bc25a3d1</Sha>
+      <Sha>4efd6272d4157c64f4839bca5bbaa3c48007213c</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="3.11.0-preview.25453.10">
+    <Dependency Name="MSTest" Version="3.11.0-preview.25454.3">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>684f40affad7afc91e8a960cc64ebf12bc25a3d1</Sha>
+      <Sha>4efd6272d4157c64f4839bca5bbaa3c48007213c</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.0-rc.2.25427.104">
       <Uri>https://github.com/dotnet/dotnet</Uri>