group name

gitops-kaisers-info/templates/letsencrypt.yaml

       - dns01:
           webhook:
             # This group needs to be configured when installing the helm package, otherwise the webhook won't have permission to create an ACME challenge for this API group.
-            groupName: acme.yourdomain.tld
+            groupName: acme.kaisers.info
             solverName: hetzner
             config:
               secretName: hetzner-secret