Update PostgreSQL documentation (13.2)

Author: simon04

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -643,7 +643,7 @@ credits = [
     'https://raw.githubusercontent.com/ponylang/ponyc/master/LICENSE'
   ], [
     'PostgreSQL',
-    '1996-2020 The PostgreSQL Global Development Group<br>&copy; 1994 The Regents of the University of California',
+    '1996-2021 The PostgreSQL Global Development Group<br>&copy; 1994 The Regents of the University of California',
     'PostgreSQL',
     'https://www.postgresql.org/about/licence/'
   ], [

lib/docs/scrapers/postgresql.rb

@@ -51,12 +51,12 @@ class Postgresql < UrlScraper
       /\Aunsupported-features/ ]
 
     options[:attribution] = <<-HTML
-      &copy; 1996&ndash;2020 The PostgreSQL Global Development Group<br>
+      &copy; 1996&ndash;2021 The PostgreSQL Global Development Group<br>
       Licensed under the PostgreSQL License.
     HTML
 
     version '13' do
-      self.release = '13.1'
+      self.release = '13.2'
       self.base_url = "https://www.postgresql.org/docs/#{version}/"
     end