build(deps): update module github.com/miekg/dns to v1.1.56

mentioned in commit 15767b7f

mentioned in merge request gitlab-org/build/CNG!1559 (merged)

mentioned in issue #1120 (closed)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!3091 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!3119 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!3120 (merged)