Update the comment about why R2R is disabled (PowerShell#17850)

Author: daxian-dbw

PowerShell.Common.props

@@ -137,7 +137,7 @@
 
     <TargetFramework>net7.0</TargetFramework>
     <LangVersion>10.0</LangVersion>
-    <!-- disable ReadyToRun due to issue: https://github.com/dotnet/runtime/issues/65412
+    <!-- disable ReadyToRun due to issue: https://github.com/dotnet/runtime/issues/72550
     <PublishReadyToRun Condition=" '$(Configuration)' != 'Debug' ">true</PublishReadyToRun>
     <PublishReadyToRunEmitSymbols>true</PublishReadyToRunEmitSymbols-->