Update Spring Boot documentation (2.7.0)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -839,7 +839,7 @@ credits = [
     'https://raw.githubusercontent.com/Automattic/socket.io/master/LICENSE'
   ], [
     'Spring Boot',
-    '2002-2021 Pivotal, Inc. All Rights Reserved.',
+    '2002-2022 Pivotal, Inc. All Rights Reserved.',
     'Apache License 2.0',
     'https://raw.githubusercontent.com/spring-projects/spring-boot/master/LICENSE.txt'
   ], [

lib/docs/scrapers/spring_boot.rb

@@ -13,11 +13,12 @@ module Docs
 
     options[:skip_patterns] = [/legal/]
 
+    # https://github.com/spring-projects/spring-boot/blob/main/buildSrc/src/main/resources/NOTICE.txt
     options[:attribution] = <<-HTML
-    Copyright &copy; 2002–2021 Pivotal, Inc. All Rights Reserved.
+    Copyright &copy; 2002–2022 Pivotal, Inc. All Rights Reserved.
     HTML
 
-    self.release = '2.6.1'
+    self.release = '2.7.0'
     self.base_url = "https://docs.spring.io/spring-boot/docs/#{release}/reference/html/"
 
     def get_latest_version(opts)