Bump github.com/prometheus/client_golang from 1.7.1 to 1.12.1#6

dependabot[bot] wants to merge 1 commit intomasterutilitywarehouse/gcp-disk-snapshotter:masterfrom

dependabot/go_modules/github.com/prometheus/client_golang-1.12.1utilitywarehouse/gcp-disk-snapshotter:dependabot/go_modules/github.com/prometheus/client_golang-1.12.1Copy head branch name to clipboard