Branding updates for 8.6 (#5147)

eng/Versions.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup Label="Version settings">
     <MajorVersion>8</MajorVersion>
-    <MinorVersion>5</MinorVersion>
+    <MinorVersion>6</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
     <PreReleaseVersionIteration>