windows: bump the node version included in the prebuilt package: 8.15.0 -> 10.16.3

Nodejs 8.x is going to be EOLed in a few months, and newer nodejs runtimes are
typically faster, a much needed benefit under Windows.

Closes #3652.

bin/buildForWindows.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-NODE_VERSION="8.15.0"
+NODE_VERSION="10.16.3"
 
 #Move to the folder where ep-lite is installed
 cd `dirname $0`