[MacPorts] #51011: Update chromedriver version

[MacPorts]

#51011: Update chromedriver version
-------------------------+--------------------------------
 Reporter:  rff.rff@…    |      Owner:  macports-tickets@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.3.4
 Keywords:               |       Port:
-------------------------+--------------------------------
 Bumps the minor version from 2.20 to 2.21

-- 
Ticket URL: <https://trac.macports.org/ticket/51011>
MacPorts <https://www.macports.org/>
Ports system for OS X