chore: Update module github.com/aws/aws-sdk-go to v1.53.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/aws/aws-sdk-go	v1.53.20 -> v1.53.21

---

Release Notes

aws/aws-sdk-go (github.com/aws/aws-sdk-go)

v1.53.21

Compare Source

===

Service Client Updates

• service/accessanalyzer: Updates service API, documentation, paginators, and examples
• service/guardduty: Updates service API and documentation
  • Added API support for GuardDuty Malware Protection for S3.
• service/networkmanager: Updates service API and documentation
• service/pca-connector-scep: Adds new service
• service/sagemaker: Updates service API and documentation
  • Introduced Scope and AuthenticationRequestExtraParams to SageMaker Workforce OIDC configuration; this allows customers to modify these options for their private Workforce IdP integration. Model Registry Cross-account model package groups are discoverable.

---

Configuration

📅 Schedule: Branch creation - "after 10pm every weekday,before 5am every weekday,every weekend" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.