[main] Update dependencies from microsoft/testfx (#45320)

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -664,9 +664,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>e77011b31a3e5c47d931248a64b47f9b2d47853d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.5.0-preview.24604.3">
+    <Dependency Name="Microsoft.Testing.Platform" Version="1.5.0-preview.24604.7">
       <Uri>https://github.com/microsoft/testfx</Uri>
-      <Sha>88872f56539c0c206f6a41a5adea766e00aaefcd</Sha>
+      <Sha>52bcabf439b2a01c351efee014054ba09d68544b</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -29,7 +29,7 @@
     <UsingToolMicrosoftNetCompilers Condition="'$(DotNetBuildSourceOnly)' == 'true'">true</UsingToolMicrosoftNetCompilers>
     <MicrosoftIORedistPackageVersion>6.0.1</MicrosoftIORedistPackageVersion>
     <FlagNetStandard1XDependencies Condition="'$(DotNetBuildSourceOnly)' == 'true'">true</FlagNetStandard1XDependencies>
-    <MicrosoftTestingPlatformVersion>1.5.0-preview.24604.3</MicrosoftTestingPlatformVersion>
+    <MicrosoftTestingPlatformVersion>1.5.0-preview.24604.7</MicrosoftTestingPlatformVersion>
   </PropertyGroup>
   <PropertyGroup Label="Servicing version information">
     <VersionFeature21>30</VersionFeature21>