[ruby/logger] Say that logger requires ruby >= 2.3
Since it uses &., it can't be used on older rubies https://github.com/ruby/logger/commit/b872f90ab9
&.
Added by segiddins (Samuel Giddins) almost 5 years ago
[ruby/logger] Say that logger requires ruby >= 2.3
Since it uses
&., it can't be used on older rubieshttps://github.com/ruby/logger/commit/b872f90ab9