Update Microsoft.DataPrep to the latest version. (#379)

Author: pieths

src/DotNetBridge/DotNetBridge.csproj

@@ -43,7 +43,7 @@
     <PackageReference Include="Microsoft.ML.Vision" Version="1.4.0" />
     <PackageReference Include="Microsoft.ML.Ensemble" Version="0.16.0" />
     <PackageReference Include="Microsoft.ML.TimeSeries" Version="1.4.0" />
-    <PackageReference Include="Microsoft.DataPrep" Version="0.0.2.3-preview" />
+    <PackageReference Include="Microsoft.DataPrep" Version="0.0.3.1-preview" />
     <PackageReference Include="TensorFlow.NET" Version="0.11.8.1" />
     <PackageReference Include="SciSharp.TensorFlow.Redist" Version="1.14.0" />
   </ItemGroup>

src/Platforms/build.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="Microsoft.ML.Vision" Version="1.4.0" />
     <PackageReference Include="Microsoft.ML.Ensemble" Version="0.16.0" />
     <PackageReference Include="Microsoft.ML.TimeSeries" Version="1.4.0" />
-    <PackageReference Include="Microsoft.DataPrep" Version="0.0.2.3-preview" />
+    <PackageReference Include="Microsoft.DataPrep" Version="0.0.3.1-preview" />
     <PackageReference Include="TensorFlow.NET" Version="0.11.8.1" />
     <PackageReference Include="SciSharp.TensorFlow.Redist" Version="1.14.0" />
   </ItemGroup>