Update packages.config

Author: yebuyebu

samples/UseCases/DecodeFromScannerAndWebcam/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Dynamsoft.DotNet.Barcode" version="8.6.0" targetFramework="net40" />
+  <package id="Dynamsoft.DotNet.Barcode" version="8.8.0" targetFramework="net40" />
   <package id="Dynamsoft.DotNet.TWAIN" version="8.3.3" targetFramework="net40" />
-</packages>
+</packages>