Update rel/4.0 branch to 4.0.1 and 2.0.1 (#6692)

Author: Youssef1313

eng/Versions.props

@@ -1,10 +1,10 @@
 <Project>
   <PropertyGroup Label="Version settings">
     <!-- MSTest version -->
-    <VersionPrefix>4.0.0</VersionPrefix>
+    <VersionPrefix>4.0.1</VersionPrefix>
     <!-- Testing Platform version -->
-    <TestingPlatformVersionPrefix>2.0.0</TestingPlatformVersionPrefix>
-    <PreReleaseVersionLabel>release</PreReleaseVersionLabel>
+    <TestingPlatformVersionPrefix>2.0.1</TestingPlatformVersionPrefix>
+    <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup Label="MSTest prod dependencies - darc updated">
     <MicrosoftDotNetBuildTasksTemplatingPackageVersion>11.0.0-beta.25504.3</MicrosoftDotNetBuildTasksTemplatingPackageVersion>