Revert "Bump Microsoft.CodeAnalysis.CSharp from 4.2.0 to 4.3.0 (#993)" (#1008)

This reverts commit a763810.

Author: m3nax

src/LibKubernetesGenerator/LibKubernetesGenerator.csproj

@@ -5,7 +5,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.0" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.2.0" PrivateAssets="all" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" PrivateAssets="all" />
     </ItemGroup>