chore: limit workflow to run by aws-cdk-automation only

[GavinZZ]

Issue # (if applicable)

N/A

Reason for this change

Only allow the workflow to run by aws-cdk-automation.

Description of changes

Limit the github author to be aws-cdk-automation.

Describe any new or updated permissions being added

N/A

Description of how you validated changes

N/A

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

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

[samson-keung]

Thanks!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.35%. Comparing base (55bf451) to head (c567e1a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #33893   +/-   ##
=======================================
  Coverage   82.35%   82.35%           
=======================================
  Files         120      120           
  Lines        6941     6941           
  Branches     1172     1172           
=======================================
  Hits         5716     5716           
  Misses       1120     1120           
  Partials      105      105           

Flag	Coverage Δ
suite.unit	82.35% <ø> (ø)

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

Components	Coverage Δ
packages/aws-cdk	∅ <ø> (∅)
packages/aws-cdk-lib/core	82.35% <ø> (ø)

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[aws-cdk-automation]

(This review is outdated)

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

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: c567e1a
• 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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