Log Message:
lang/ruby24-base: update to 2.4.5

Ruby 2.4.5 Released

Ruby 2.4.5 has been released.

This release includes about 40 bug fixes after the previous release, and also
includes several security fixes. Please check the topics below for details.

* CVE-2018-16396: Tainted flags are not propagated in Array#pack and
  String#unpack with some directives

* CVE-2018-16395: OpenSSL::X509::Name equality check does not work correctly
  See the commit logs for details.