Revert "Revert "Update branding to preview3 (#60405)" (#60470)" (#60508)

This reverts commit 5cf08a8.

Author: wtgodbe

eng/Versions.props

@@ -9,7 +9,7 @@
     <AspNetCoreMajorVersion>10</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
     <AspNetCorePatchVersion>0</AspNetCorePatchVersion>
-    <PreReleaseVersionIteration>2</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>3</PreReleaseVersionIteration>
     <ValidateBaseline>true</ValidateBaseline>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' != 'true'">8.0.1</IdentityModelVersion>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' == 'true'">*-*</IdentityModelVersion>