Merge pull request #8718 from dotnet/brandingUpdate

Updating branding to release/9.0-preview2

Author: singhashish-wpf

eng/Versions.props

@@ -4,8 +4,8 @@
     <MajorVersion>9</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <PreReleaseVersionLabel>alpha</PreReleaseVersionLabel>
-    <PreReleaseVersionIteration>1</PreReleaseVersionIteration>
+    <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
+    <PreReleaseVersionIteration>2</PreReleaseVersionIteration>
     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
     <!--
       Set assembly version to align with major and minor version, as for the patches and revisions should be manually