Update Puppeteer documentation (5.5.0)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -643,7 +643,7 @@ credits = [
     'https://www.postgresql.org/about/licence/'
   ], [
     'Puppeteer',
-    '2017 Google Inc',
+    '2020 Google Inc',
     'Apache',
     'https://raw.githubusercontent.com/GoogleChrome/puppeteer/master/LICENSE'
   ], [

lib/docs/filters/puppeteer/clean_html.rb

@@ -8,6 +8,7 @@ module Docs
 
         # Remove links to previous versions of the reference
         at_css('h1 + ul').remove
+        at_css('h1 + ul').remove
 
         # Remove table of contents
         at_css('h1 + h5').remove

lib/docs/scrapers/puppeteer.rb

@@ -1,7 +1,7 @@
 module Docs
   class Puppeteer < Github
-    self.release = '1.20.0'
+    self.release = '5.5.0'
-    self.base_url = 'https://github.com/GoogleChrome/puppeteer/blob/v1.20.0/docs/api.md'
+    self.base_url = "https://github.com/puppeteer/puppeteer/blob/v#{self.release}/docs/api.md"
     self.links = {
       code: 'https://github.com/GoogleChrome/puppeteer'
     }
@@ -11,7 +11,7 @@ module Docs
     options[:container] = '.markdown-body'
 
     options[:attribution] = <<-HTML
-      &copy; 2017 Google Inc<br>
+      &copy; 2020 Google Inc<br>
       Licensed under the Apache License 2.0.
     HTML