Fix geosolutions-it#10455 update extension webpack (geosolutions-it#1…

…0580)

build/createExtensionWebpackConfig.js

@@ -90,6 +90,7 @@ module.exports = ({ prod = true, name, exposes, sharedLibrariesEager = true, ali
         ]
     },
     output: {
+        hashFunction: "xxhash64", // needed for newer version of node (> version 16)
         publicPath,
         chunkFilename: 'assets/js/[name].[chunkhash:8].js',
         path: destination,