[5.x] Yarn v3 for stable webpacker 5.x gem (#3098)

* Yarn v3 for stable webpacker 5.x

* Update Gemfile-rails-edge

* Update Gemfile-rails-edge

* Update ruby.yml

* Update helper_test.rb

* Update helper_test.rb

* Update helper_test.rb

* Update check_yarn.rake

* Update ruby.yml

* Update Gemfile-rails-edge

* Update helper_test.rb

Author: pedrofurtado

lib/tasks/webpacker/check_yarn.rake

@@ -9,7 +9,7 @@ namespace :webpacker do
       pkg_path = Pathname.new("#{__dir__}/../../../package.json").realpath
       yarn_range = JSON.parse(pkg_path.read)["engines"]["yarn"]
       is_valid = SemanticRange.satisfies?(yarn_version, yarn_range) rescue false
-      is_unsupported = SemanticRange.satisfies?(yarn_version, ">=3.0.0") rescue false
+      is_unsupported = SemanticRange.satisfies?(yarn_version, ">=4.0.0") rescue false
 
       unless is_valid
         $stderr.puts "Webpacker requires Yarn \"#{yarn_range}\" and you are using #{yarn_version}"

package.json

@@ -9,7 +9,7 @@
   ],
   "engines": {
     "node": ">=10.17.0",
-    "yarn": ">=1 <3"
+    "yarn": ">=1 <4"
   },
   "dependencies": {
     "@babel/core": "^7.14.3",