Merge pull request #7066 from rubygems/restore-unnecessary-change

Restore using old way of passing Ruby version to resolver

(cherry picked from commit 5d99479)

Author: deivid-rodriguez

bundler/lib/bundler/definition.rb

@@ -881,7 +881,7 @@ def converge_specs(specs)
 
     def metadata_dependencies
       @metadata_dependencies ||= [
-        Dependency.new("Ruby\0", Gem.ruby_version),
+        Dependency.new("Ruby\0", Bundler::RubyVersion.system.gem_version),
         Dependency.new("RubyGems\0", Gem::VERSION),
       ]
     end

bundler/lib/bundler/source/metadata.rb

@@ -5,7 +5,7 @@ class Source
     class Metadata < Source
       def specs
         @specs ||= Index.build do |idx|
-          idx << Gem::Specification.new("Ruby\0", Gem.ruby_version)
+          idx << Gem::Specification.new("Ruby\0", Bundler::RubyVersion.system.gem_version)
           idx << Gem::Specification.new("RubyGems\0", Gem::VERSION) do |s|
             s.required_rubygems_version = Gem::Requirement.default
           end