coredns

auto remove trailing whitespaces

build(deps): bump k8s.io/client-go from 0.21.2 to 0.21.3 (#4761)

build(deps): bump github.com/aws/aws-sdk-go from 1.39.4 to 1.40.2 (#4763)

build(deps): bump k8s.io/api from 0.21.2 to 0.21.3 (#4760)

auto go fmt