[main] Update dependencies from microsoft/testfx (#45732)

Author: v-wuzhai

eng/Version.Details.xml

@@ -634,13 +634,13 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>e77011b31a3e5c47d931248a64b47f9b2d47853d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.6.0-preview.25054.4">
+    <Dependency Name="Microsoft.Testing.Platform" Version="1.6.0-preview.25056.11">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>b1e4e1128dab4c9f110a2fdd6b0c7c6203531dd6</Sha>
+      <Sha>f7ddde6db81476dc031fb5c327abb2eef7f38969</Sha>
     </Dependency>
-    <Dependency Name="MSTest" Version="3.8.0-preview.25054.4">
+    <Dependency Name="MSTest" Version="3.8.0-preview.25056.11">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>b1e4e1128dab4c9f110a2fdd6b0c7c6203531dd6</Sha>
+      <Sha>f7ddde6db81476dc031fb5c327abb2eef7f38969</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -28,7 +28,7 @@
     <UsingToolMicrosoftNetCompilers Condition="'$(DotNetBuildSourceOnly)' == 'true'">true</UsingToolMicrosoftNetCompilers>
     <MicrosoftIORedistPackageVersion>6.0.1</MicrosoftIORedistPackageVersion>
     <FlagNetStandard1XDependencies Condition="'$(DotNetBuildSourceOnly)' == 'true'">true</FlagNetStandard1XDependencies>
-    <MicrosoftTestingPlatformVersion>1.6.0-preview.25054.4</MicrosoftTestingPlatformVersion>
+    <MicrosoftTestingPlatformVersion>1.6.0-preview.25056.11</MicrosoftTestingPlatformVersion>
   </PropertyGroup>
   <PropertyGroup Label="Servicing version information">
     <VersionFeature21>30</VersionFeature21>
@@ -285,7 +285,7 @@
     <FluentAssertionsVersion>6.12.0</FluentAssertionsVersion>
     <FluentAssertionsJsonVersion>6.1.0</FluentAssertionsJsonVersion>
     <MoqPackageVersion>4.18.4</MoqPackageVersion>
-    <MSTestVersion>3.8.0-preview.25054.4</MSTestVersion>
+    <MSTestVersion>3.8.0-preview.25056.11</MSTestVersion>
     <XunitCombinatorialVersion>1.3.2</XunitCombinatorialVersion>
     <MicrosoftDotNetInstallerWindowsSecurityTestDataPackageVersion>8.0.0-beta.23607.1</MicrosoftDotNetInstallerWindowsSecurityTestDataPackageVersion>
   </PropertyGroup>