Fix version mismatch of aws-sdk-go-v2

[seternate]

Changes

Fix version mismatch of github.com/aws/aws-sdk-go-v2 and github.com/aws/aws-sdk-go-v2/ecr due to a breaking change in aws-sdk-go-v2 of version v1.23.0. The mismatch is caused by the 2 dependencies github.com/sigstore/sigstore/pkg/signature/kms/aws and github.com/google/go-containerregistry using aws-sdk-go-v2 in v.18.x and v1.26.x.

When no command or script was given to a Task, this caused the entrypoint resolve logic to fail with a "401 Not Authorized", when trying to get the manifest from a private AWS ECR.

Fixes #7698

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Release Notes

Fixing "401 Not Authorized" using Image from private AWS ECR without specifying "command" or "script" in Task.

[linux-foundation-easycla]

• ✅login: seternate / (0e8ed98)

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[seternate]

/kind bug

[khrm]

/ok-to-test

[chitrangpatel]

/approve

[vdemeester]

/lgtm

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[chitrangpatel]

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