[MacPorts] #46268: [memcached] Update to 1.4.21

[MacPorts]

#46268: [memcached] Update to 1.4.21
--------------------+--------------------------------
 Reporter:  mark@…  |      Owner:  macports-tickets@…
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.3.3
 Keywords:          |       Port:  memcached
--------------------+--------------------------------
 There is no maintainer, but hopefully someone can do the quick update.

-- 
Ticket URL: <https://trac.macports.org/ticket/46268>
MacPorts <https://www.macports.org/>
Ports system for OS X