build(deps): bump github.com/prometheus/client_golang from 1.20.2 to 1.20.4#21

dependabot[bot] wants to merge 1 commit intomaintjhop/mango:mainfrom

dependabot/go_modules/github.com/prometheus/client_golang-1.20.4tjhop/mango:dependabot/go_modules/github.com/prometheus/client_golang-1.20.4Copy head branch name to clipboard