Update VersionPrefix to 18.0.1 (#15301)

Author: nohwnd

eng/Versions.props

@@ -14,7 +14,7 @@
       from appending +<commitId>, which breaks DTAAgent.
     -->
     <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-    <VersionPrefix>18.0.0</VersionPrefix>
+    <VersionPrefix>18.0.1</VersionPrefix>
     <PreReleaseVersionLabel>release</PreReleaseVersionLabel>
   </PropertyGroup>
   <PropertyGroup Label="Arcade settings">