Update github.com/aws/aws-sdk-go

[ialidzhikov]

What type of PR is this?

/kind feature

What this PR does / why we need it:

A new AWS region eu-central-2 was launched this week -ref https://aws.amazon.com/blogs/aws/a-new-aws-region-opens-in-switzerland/.
Currently CCM cannot run against the new region:

I1113 17:18:49.979775       1 aws.go:1279] Building AWS cloudprovider
could not init cloud provider "aws": not a valid AWS zone (unknown region): eu-central-2a

This PR should fix this issue by updated to github.com/aws/aws-sdk-go@v1.44.136 that supports the eu-central-2 region.

Which issue(s) this PR fixes:

See above.

Does this PR introduce a user-facing change?

NONE

[k8s-ci-robot]

@ialidzhikov: This issue is currently awaiting triage.

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[k8s-ci-robot]

Hi @ialidzhikov. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ialidzhikov]

/cc @dims @nckturner

[ialidzhikov]

/sig cloud-provider
/area code-organization

[dims]

/ok-to-test
/milestone v1.27

[ialidzhikov]

/test pull-kubernetes-conformance-kind-ga-only-parallel

[liggitt]

/assign @dims

[dims]

/approve
/lgtm
/milestone v1.27

let's land this after 1.26 goes GA. if necessary we can back port then.

[ialidzhikov]

@dims , I had to rebase.

[dims]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, ialidzhikov

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