fixed hard-coded "Debug" for $(Configuration)

Should get AppVeyor back on track

Author: retailcoder

Rubberduck.Inspections/Rubberduck.Inspections.csproj

@@ -209,7 +209,7 @@
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PostBuildEvent>copy "$(TargetPath)" "$(SolutionDir)RetailCoder.VBE\bin\Debug" /Y</PostBuildEvent>
+    <PostBuildEvent>copy "$(TargetPath)" "$(SolutionDir)RetailCoder.VBE\bin\$(Configuration)" /Y</PostBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
@@ -218,4 +218,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>