Migrate to AWS Go SDK v2

[hspencer77]

Migrate from AWS Go SDK v1 to AWS Go SDK v2 to address following CVEs:

   pkg:golang/github.com/aws/[email protected]

    ✗ MEDIUM CVE-2020-8911
      https://scout.docker.com/v/CVE-2020-8911
      Affected range : >=0
      Fixed version  : not fixed

    ✗ LOW CVE-2020-8912
      https://scout.docker.com/v/CVE-2020-8912
      Affected range : >=0
      Fixed version  : not fixed

[mschfh]

blocked by https://github.com/aws/aws-sdk-go-v2/issues/1744