fix(deps): update module sigs.k8s.io/controller-runtime to v0.21.0#28

robertgraeff merged 1 commit intomainopenmcp-project/openmcp-operator:mainfrom

renovate/sigs.k8s.io-controller-runtime-0.xopenmcp-project/openmcp-operator:renovate/sigs.k8s.io-controller-runtime-0.xCopy head branch name to clipboard