travis: bump golang versions/gpm
travis: bump golang versions/gpm

ploxiln/nsq,sparklxb/nsq,sparklxb/nsq,bitly/nsq,bitly/nsq,rpau/nsq,mreiferson/nsq,jehiah/nsq,bitly/nsq,mreiferson/nsq,sparklxb/nsq,jlr52/nsq,bitly/nsq,rpau/nsq,ploxiln/nsq,nsqio/nsq,rpau/nsq,jehiah/nsq,mreiferson/nsq,jlr52/nsq,nsqio/nsq,jehiah/nsq,nsqio/nsq,mreiferson/nsq,mreiferson/nsq,ploxiln/nsq,rpau/nsq,ploxiln/nsq,rpau/nsq,jehiah/nsq,jlr52/nsq,bitly/nsq,ploxiln/nsq,sparklxb/nsq,sparklxb/nsq,jlr52/nsq,nsqio/nsq,jehiah/nsq,jlr52/nsq,nsqio/nsq