Merge pull request #8288 from Forgind/17.6-branding

Update version to 17.6

Author: JaynieBai

eng/Versions.props

@@ -2,8 +2,8 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the MIT license. See License.txt in the project root for full license information. -->
 <Project>
   <PropertyGroup>
-    <VersionPrefix>17.5.0</VersionPrefix>
-    <PackageValidationBaselineVersion>17.4.0</PackageValidationBaselineVersion>
+    <VersionPrefix>17.6.0</VersionPrefix>
+    <PackageValidationBaselineVersion>17.5.0-preview-23059-01</PackageValidationBaselineVersion>
     <AssemblyVersion>15.1.0.0</AssemblyVersion>
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
     <DotNetUseShippingVersions>true</DotNetUseShippingVersions>