Bump github.com/prometheus/client_golang from 1.19.1 to 1.21.1#39

dependabot[bot] merged 1 commit intomaingrafana/Kost:mainfrom

dependabot/go_modules/github.com/prometheus/client_golang-1.21.1grafana/Kost:dependabot/go_modules/github.com/prometheus/client_golang-1.21.1Copy head branch name to clipboard