Unblock backflows (#12719)

VMR 2xx branch had a reset, so Maestro couldn't find the last backflow

Author: dkurepa

eng/Version.Details.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="razor" Sha="b68c335619ddcdd7d10b40d49f9e6dfa97e710e5" BarId="298481" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="razor" Sha="181f8798913e9c234e19756db58f38a8cac176ea" BarId="298730" />
   <ProductDependencies>
     <Dependency Name="Roslyn.Diagnostics.Analyzers" Version="5.3.0-2.26064.108">
       <Uri>https://github.com/dotnet/dotnet</Uri>