Update dependencies from https://github.com/microsoft/testfx build 20250827.4

Microsoft.Testing.Platform , MSTest
 From Version 1.9.0-preview.25427.3 -> To Version 1.9.0-preview.25427.4

Author: dotnet-maestro[bot]

eng/Version.Details.props

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!--
 This file is auto-generated by the Maestro dependency flow system.
 Do not edit it manually, as it will get overwritten by automation.
@@ -141,8 +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.25427.3</MicrosoftTestingPlatformPackageVersion>
-    <MSTestPackageVersion>3.11.0-preview.25427.3</MSTestPackageVersion>
+    <MicrosoftTestingPlatformPackageVersion>1.9.0-preview.25427.4</MicrosoftTestingPlatformPackageVersion>
+    <MSTestPackageVersion>3.11.0-preview.25427.4</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>619d5633513d1b31c528db4360833fce52f51829</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25427.3">
+    <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25427.4">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>db7f86925ac95d7cb4befd76cd1689e1783a5c47</Sha>
+      <Sha>605a2c741c420b1b7a6877fcce5a0fd69bb80e53</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="3.11.0-preview.25427.3">
+    <Dependency Name="MSTest" Version="3.11.0-preview.25427.4">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>db7f86925ac95d7cb4befd76cd1689e1783a5c47</Sha>
+      <Sha>605a2c741c420b1b7a6877fcce5a0fd69bb80e53</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Ini" Version="10.0.0-rc.2.25420.109">
       <Uri>https://github.com/dotnet/dotnet</Uri>