Update Electron documentation (12.0.0)

Author: simon04

lib/docs/filters/electron/clean_html.rb

@@ -2,7 +2,7 @@ module Docs
   class Electron
     class CleanHtmlFilter < Filter
       def call
-        css('.header-link', 'hr + .text-center', 'hr').remove
+        css('.header-link', 'hr + .text-center', 'hr', '.docs__actions-bar').remove
 
         css('.grid', '.row', '.col-ms-12', 'ul.docs-list > ul.docs-list', '.sub-section').each do |node|
           node.before(node.children).remove

lib/docs/scrapers/electron.rb

@@ -2,7 +2,7 @@ module Docs
   class Electron < UrlScraper
     self.type = 'simple'
     self.base_url = 'https://www.electronjs.org/docs'
-    self.release = '11.0.1'
+    self.release = '12.0.0'
     self.links = {
       home: 'https://www.electronjs.org/',
       code: 'https://github.com/electron/electron'