Log Message:
security/ruby-rex-socket: update to 0.1.29

Quote from commit logs:

0.1.29 (2021-03-25)

* Land #31, Consistently return nil as the failure indicator

0.1.28 (2021-03-25)

* Land #30, Fix Some RangeWalker issues

0.1.27 (2021-03-24)

* Land #28, RangeWalker Updates To Return Hostnames When Available