chore(openseach): add OpenSearch version 3.3

[mazyu36]

Issue # (if applicable)

N/A

Reason for this change

Amazon OpenSearch Service now supports OpenSearch version 3.3

Ref: https://aws.amazon.com/about-aws/whats-new/2025/11/amazon-opensearch-service-opensearch-version-3-3/

Description of changes

Add an enum.

Describe any new or updated permissions being added

N/A

Description of how you validated changes

Add unit tests and an integ test.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

[mazyu36]

Exemption Request: Since this is only adding a version number, I think modifications to the README are not necessary.

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[mergify]

Merge Queue Status

✅ The pull request has been merged

This pull request spent 41 minutes 34 seconds in the queue, including 41 minutes 25 seconds waiting for CI.
The checks were run in-place.

Required conditions to merge

• #approved-reviews-by >= 1 [🛡 GitHub branch protection]
  • chore(openseach): add OpenSearch version 3.3 #36186
• #changes-requested-reviews-by = 0 [🛡 GitHub branch protection]
  • chore(openseach): add OpenSearch version 3.3 #36186
• any of [🛡 GitHub branch protection]:
  • check-success = validate-pr
  • check-neutral = validate-pr
  • check-skipped = validate-pr
• any of [🛡 GitHub branch protection]:
  • check-success = build
  • check-neutral = build
  • check-skipped = build

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[github-actions]

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