chore: bump github.com/prometheus/client_golang from 1.15.0 to 1.15.1#424

dependabot[bot] wants to merge 1 commit intomasterAzure/kubernetes-kms:masterfrom

dependabot/go_modules/github.com/prometheus/client_golang-1.15.1Azure/kubernetes-kms:dependabot/go_modules/github.com/prometheus/client_golang-1.15.1Copy head branch name to clipboard