Fix CG alert around Microsoft.IO.Redist (#175)

Author: joperezr

src/SourceBrowser/src/Directory.Packages.props

@@ -12,6 +12,9 @@
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.5.0" />
     <PackageVersion Include="Microsoft.Build" Version="17.5.0" />
 
+    <!-- component governance -->
+    <PackageVersion Include="Microsoft.IO.Redist" Version="6.0.1" />
+
     <!-- roslyn -->
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="4.2.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="4.2.0" />