Fix Route53 plugin cannot retrieve ECS Task Role (#4669)
Fix Route53 plugin cannot retrieve ECS Task Role (#4669)

Signed-off-by: Licht Takeuchi <72cf27898f69267875b7b38dc55a998c93a9cc6e@outlook.jp>
yongtang/coredns,chrisohaver/coredns,coredns/coredns