Backport of fix(s3): allow aliases for kms key into v1.6

[teamterraform]

Backport

This PR is auto-generated from #33993 to be assessed for backporting due to the inclusion of the label 1.6-backport.

The below text is copied from the body of the original PR.

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Release 1.6.0 broke the ability to use s3 key aliases in the s3 backend. This change adjusts the tests, and validation of kms key arn's to look for aliases

Fixes #33979
Fixes #34005

Target Release

1.6.1

Draft CHANGELOG entry

BUG FIXES

• Fixes the ability to use KMS key aliases in the S3 backend

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Overview of commits

• 6088002 - a87a7eb

[hashicorp-cla]

All committers have signed the CLA.

[jar-b]

LGTM

% TF_ACC=1 go test -count=1 ./internal/backend/remote-state/s3/...
ok      github.com/hashicorp/terraform/internal/backend/remote-state/s3 138.365s

[github-actions]

Reminder for the merging maintainer: if this is a user-visible change, please update the changelog on the appropriate release branch.

[dosilyoun]

@jar-b It fixes a breaking change what affects many organizations. When it will be available with a new release? Have you thought about a hotfix?

[jar-b]

This will be part of 1.6.1, which is planned to be released later today.

[github-actions]

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