Update Node.js documentation (9.6.1)

lib/docs/scrapers/node.rb

@@ -23,7 +23,7 @@ module Docs
     HTML
 
     version do
-      self.release = '9.3.0'
+      self.release = '9.6.1'
       self.base_url = 'https://nodejs.org/dist/latest-v9.x/docs/api/'
     end
 
@@ -33,7 +33,7 @@ module Docs
     end
 
     version '6 LTS' do
-      self.release = '6.12.3'
+      self.release = '6.13.0'
       self.base_url = 'https://nodejs.org/dist/latest-v6.x/docs/api/'
     end