Fix

Author: tmat

eng/test-rebuild.ps1

@@ -77,6 +77,7 @@ try {
   " --exclude net8.0\GeneratedRefAssemblies\Microsoft.CodeAnalysis.dll" +
   " --exclude net8.0\GeneratedRefAssemblies\Microsoft.CodeAnalysis.CSharp.dll" +
   " --exclude net8.0\GeneratedRefAssemblies\Microsoft.CodeAnalysis.VisualBasic.dll" +
+  " --exclude net8.0\GeneratedRefAssemblies\Microsoft.CodeAnalysis.SemanticSearch.Extensions.dll" +
   " --exclude net8.0\GeneratedRefAssemblies\System.Collections.Immutable.dll" +
 
   " --debugPath `"$ArtifactsDir/BuildValidator`"" +