Merge pull request #837 from fsprojects/dependabot/nuget/Microsoft.CodeAnalysis.CSharp-4.7.0

Bump Microsoft.CodeAnalysis.CSharp from 3.11.0 to 4.7.0

Author: nojaf

Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageVersion Include="Suave" Version="2.6.2" />
     <PackageVersion Include="System.Memory" Version="4.5.5" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="3.11.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.7.0" />
     <PackageVersion Include="NUnit" Version="3.13.3" />
     <PackageVersion Include="FsUnit" Version="5.4.0" />
     <PackageVersion Include="FSharp.Data" Version="6.2.0" />