cmd/devp2p: use AWS-SDK v2#22360

Merged

fjl merged 7 commits intoethereum:masterfrom

qhenkart:aws-sdk-update

Mar 19, 2021

Commits on Feb 20, 2021

update go mod version to match go build version
qhenkart
committed

Commits on Feb 22, 2021

optimize DNS propogation by first making all changes and then waiting
qhenkart
committed