[MacPorts] #37302: Update gcalcli portfile to use latest github version

[MacPorts]

#37302: Update gcalcli portfile to use latest github version
-----------------------------+--------------------------------
  Reporter:  brian.andrew@…  |      Owner:  macports-tickets@…
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.1.2
Resolution:                  |   Keywords:  haspatch
      Port:  gcalcli         |
-----------------------------+--------------------------------

Comment (by brian.andrew@…):

 Trying to work with the author to get tagged point releases.  Will add a
 new patch file if I can make that happen.

-- 
Ticket URL: <https://trac.macports.org/ticket/37302#comment:4>
MacPorts <http://www.macports.org/>
Ports system for Mac OS