chore: bump sigs.k8s.io/external-dns from 0.20.0 to 0.21.0#55

dependabot[bot] wants to merge 1 commit intomainstackitcloud/external-dns-stackit-webhook:mainfrom

dependabot/go_modules/sigs.k8s.io/external-dns-0.21.0stackitcloud/external-dns-stackit-webhook:dependabot/go_modules/sigs.k8s.io/external-dns-0.21.0Copy head branch name to clipboard