feat(s3objectlambda): open s3 access point arn

[tomoki10]

Issue # (if applicable)

Closes #31950 .

Reason for this change

Previously, users needed to manually construct ARN strings when using S3AccessPoint. This update exposes the S3AccessPoint ARN directly to reduce implementation effort.

Description of changes

This change makes the S3AccessPoint accessible as a property for reuse across the codebase.

Describe any new or updated permissions being added

No

Description of how you validated changes

• Added test cases to verify the newly exposed S3AccessPoint property in the existing unit test suite.

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]

The pull request linter has failed. See the aws-cdk-automation comment below for failure reasons. If you believe this pull request should receive an exemption, please comment and provide a justification.

A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed add Clarification Request to a comment.

[tomoki10]

Exemption Request

Since other public properties are not documented in the Readme and integ tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.38%. Comparing base (693afea) to head (0b6768a).
Report is 1 commits behind head on main.

Additional details and impacted files

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  Coverage   81.38%   81.38%           
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  Files         222      222           
  Lines       13750    13750           
  Branches     2424     2424           
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  Hits        11191    11191           
  Misses       2279     2279           
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Flag	Coverage Δ
suite.unit	81.38% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	80.71% <ø> (ø)
packages/aws-cdk-lib/core	82.09% <ø> (ø)

[badmintoncryer]

@tomoki10 Thank you for your contribution!!
The S3 Access Point ARN is an attribute of a non-primary L1 resource created within the L2 construct. Therefore, it might be preferable not to use @Attribute. In that case, it would be better to document its usage in the README.

cf: https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2-readme.html#accessing-the-internet-gateway

[tomoki10]

@badmintoncryer Thank you for your review!
I have removed the unnecessary @Attribute and added documentation. When you have a moment, could you please review this PR?

[badmintoncryer]

@tomoki10 Thanks! This remark might be incorrect, so I apologize in advance if a maintainer says the opposite.

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

[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).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 0b6768a
• Result: SUCCEEDED
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