[CI] modify 50-update-gem.sh (#3351)
[CI] modify 50-update-gem.sh (#3351)


tany/ss,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,tany/ss,tany/ss,sunny4381/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,tany/ss