Update version to 10.9.0 (#7623)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jeffhandley

eng/Versions.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup Label="Version settings">
     <MajorVersion>10</MajorVersion>
-    <MinorVersion>8</MinorVersion>
+    <MinorVersion>9</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <PreReleaseVersionLabel>preview</PreReleaseVersionLabel>
     <PreReleaseVersionIteration>1</PreReleaseVersionIteration>