[rubygems/rubygems] Make update specs independent from version of Bundler
https://github.com/rubygems/rubygems/commit/609b21a5fe
[rubygems/rubygems] Make update specs independent from version of Bundler
https://github.com/rubygems/rubygems/commit/609b21a5fe