build(deps): bump github.com/prometheus/client_golang from 1.20.4 to 1.21.1#953

dependabot[bot] wants to merge 1 commit intomaingoogle/mtail:mainfrom

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