Revert "Upgrade Microsoft.CodeAnalysis.CSharp to 4.7.0-2.final"

This reverts commit be13092629.

src/Microsoft.Azure.Functions.PowerShellWorker.csproj

@@ -25,7 +25,7 @@ Licensed under the MIT license. See LICENSE file in the project root for full li
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="Google.Protobuf" Version="3.21.9" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.3" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0-2.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0-2.23152.6" />
   </ItemGroup>
 
   <ItemGroup>

test/Unit/Microsoft.Azure.Functions.PowerShellWorker.Test.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.4.0-preview.3" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0-2.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.6.0-2.23152.6" />
   </ItemGroup>
 
   <ItemGroup>