Update discovery/gce/gce.go
Update discovery/gce/gce.go

Co-authored-by: Julien Pivotto <df1ed88a312a603dfee9f157a90fa8f7f195ab59@gmail.com>
Signed-off-by: Joey Freeland <56a580ad3befc663da709977ba17447ffa133c85@free.land>

keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,alileza/prometheus,alileza/prometheus,alileza/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,prometheus/prometheus,prometheus/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,keegancsmith/prometheus,prometheus/prometheus