[ruby/time] Make RFC2822 regexp linear
https://hackerone.com/reports/1485501
https://github.com/ruby/time/commit/51034bda4c
[ruby/time] Make RFC2822 regexp linear
https://hackerone.com/reports/1485501
https://github.com/ruby/time/commit/51034bda4c