Bump golang.org/x/sync from 0.16.0 to 0.18.0#920

dependabot[bot] wants to merge 1 commit intomasterprometheus/test-infra:masterfrom

dependabot/go_modules/golang.org/x/sync-0.18.0prometheus/test-infra:dependabot/go_modules/golang.org/x/sync-0.18.0Copy head branch name to clipboard