[rubygems/rubygems] Do not compare with unreliable Gem::Specification::TODAY
https://gist.github.com/ko1/a88834d744a0682711dab53fd9015a04#file-brlog-trunk-nopara-20191005-235153-L393-L472
https://github.com/rubygems/rubygems/commit/707408d8e7
[rubygems/rubygems] Do not compare with unreliable Gem::Specification::TODAY
https://gist.github.com/ko1/a88834d744a0682711dab53fd9015a04#file-brlog-trunk-nopara-20191005-235153-L393-L472
https://github.com/rubygems/rubygems/commit/707408d8e7