[rel/3.4] Update dependencies from microsoft/testanywhere (#3060)

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

eng/Version.Details.xml

@@ -17,13 +17,13 @@
       <Uri>https://dev.azure.com/devdiv/DevDiv/_git/vs-code-coverage</Uri>
       <Sha>a12555c42042c92e5c5c12399e7ab27a3fec615c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Testing.Platform" Version="1.2.1">
+    <Dependency Name="Microsoft.Testing.Platform" Version="1.2.1-preview.24279.4">
       <Uri>https://github.com/microsoft/testanywhere</Uri>
-      <Sha>9c201283b99a3e11e210c9a5d549c85ba59ff276</Sha>
+      <Sha>d77872a7c000d7cabdaf719eec7c9c02a251969b</Sha>
     </Dependency>
-    <Dependency Name="MSTest.Engine" Version="1.0.0-alpha.24271.6">
+    <Dependency Name="MSTest.Engine" Version="1.0.0-alpha.24279.4">
       <Uri>https://github.com/microsoft/testanywhere</Uri>
-      <Sha>9c201283b99a3e11e210c9a5d549c85ba59ff276</Sha>
+      <Sha>d77872a7c000d7cabdaf719eec7c9c02a251969b</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -7,7 +7,7 @@
   <PropertyGroup Label="MSTest prod dependencies - darc updated">
     <MicrosoftDotNetBuildTasksTemplatingPackageVersion>8.0.0-beta.24225.1</MicrosoftDotNetBuildTasksTemplatingPackageVersion>
     <MicrosoftTestingExtensionsCodeCoverageVersion>17.10.4</MicrosoftTestingExtensionsCodeCoverageVersion>
-    <MicrosoftTestingPlatformVersion>1.2.1</MicrosoftTestingPlatformVersion>
+    <MicrosoftTestingPlatformVersion>1.2.1-preview.24279.4</MicrosoftTestingPlatformVersion>
-    <MSTestEngineVersion>1.0.0-alpha.24271.6</MSTestEngineVersion>
+    <MSTestEngineVersion>1.0.0-alpha.24279.4</MSTestEngineVersion>
   </PropertyGroup>
 </Project>