Bump github.com/prometheus/client_golang from 1.4.0 to 1.21.1#13

dependabot[bot] wants to merge 1 commit intomaindanluki/syncra:mainfrom

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