deps: bump golang.org/x/sync from 0.14.0 to 0.15.0#3709

dependabot[bot] wants to merge 1 commit intorelease/v1.4Azure/azure-container-networking:release/v1.4from

a734dependabot/go_modules/release/v1.4/golang.org/x/sync-0.15.0Azure/azure-container-networking:a734dependabot/go_modules/release/v1.4/golang.org/x/sync-0.15.0Copy head branch name to clipboard