Update yarn from 1.22.4 to 1.22.5 (#4263)

packages/yarn.rb

@@ -3,10 +3,10 @@ require 'package'
 class Yarn < Package
   description 'Yarn is a new package manager for JavaScript and an alternative to npm.'
   homepage 'https://yarnpkg.com/en/'
-  version '1.22.4'
+  version '1.22.5'
   compatibility 'all'
-  source_url 'https://github.com/yarnpkg/yarn/releases/download/v1.22.4/yarn-v1.22.4.tar.gz'
-  source_sha256 'bc5316aa110b2f564a71a3d6e235be55b98714660870c5b6b2d2d3f12587fb58'
+  source_url 'https://github.com/yarnpkg/yarn/releases/download/v1.22.5/yarn-v1.22.5.tar.gz'
+  source_sha256 'c664fb4692e4dfea750a37a533780834b40198c00cef4bbc5e8c14abab2ac141'
 
   node_version=`node -v 2> /dev/null`.chomp
   depends_on 'nodebrew' unless "#{node_version}" != ""