fix(custom-resource-handlers): do not allow unauthorized connection for iam OIDC connection (under feature flag)

[GavinZZ]

Issue # (if applicable)

Closes #32920

Reason for this change

Follow security best practices to disable allow unauthorized connection

Description of changes

Create a new feature flag that starting in the new feature, we will disable unauthorized connections

Describe any new or updated permissions being added

N/A

Description of how you validated changes

New integ and unit tests. Updated old tests.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.48%. Comparing base (9d8a7e2) to head (472bc7e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #32921   +/-   ##
=======================================
  Coverage   81.48%   81.48%           
=======================================
  Files         226      226           
  Lines       13768    13768           
  Branches     2416     2416           
=======================================
  Hits        11219    11219           
  Misses       2271     2271           
  Partials      278      278           

Flag	Coverage Δ
suite.unit	81.48% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
packages/aws-cdk	80.89% <ø> (ø)
packages/aws-cdk-lib/core	82.10% <ø> (ø)

[gracelu0]

Ty! Left a few comments, mostly typos

[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).

[mrgrain]

@Mergifyio dequeue

[mergify]

This pull request has been removed from the queue for the following reason: pull request dequeued.

Pull request #32921 has been dequeued by a dequeue command

You should look at the reason for the failure and decide if the pull request needs to be fixed or if you want to requeue it.

If you want to requeue this pull request, you need to post a comment with the text: @mergifyio requeue

[mergify]

dequeue

✅ The pull request has been removed from the queue default-squash

[mrgrain]

@GavinZZ Dequeued this because the conflicts prevent it from merging and it's blocking the queue

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 472bc7e
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[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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