Bump gRPC to 1.19.0 and protobuf to 3.7.1
These upgrades are necessary to support Ruby 2.6.
This matches the Gitaly MR: gitaly!1066 (merged)
CE port: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27086
Edited by Stan Hu
These upgrades are necessary to support Ruby 2.6.
This matches the Gitaly MR: gitaly!1066 (merged)
CE port: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27086