feat(codebuild): add support of organization webhook in github source

[dviryamin]

Issue # (if applicable)

closes #31736

Reason for this change

Currently, the AWS CDK aws-codebuild module lacks native support for creating GitHub organization-level webhooks through the Source construct. Users need to manually use the CfnProject to enable organization webhooks, which adds complexity and inconsistency to the CodeBuild setup. This PR introduces support for creating GitHub organization webhooks directly within the Source construct, streamlining the experience and making it more consistent with the rest of the AWS CDK's high-level constructs.

Description of changes

• Enhanced the GitHubSource construct in the aws-codebuild module to support GitHub organization webhooks.
• Updated the GitHubSource construct's configuration to so when repo is not specified an organization webhook is created.
• Added filter of REPOSITORY_NAME to FilterGroups.

Description of how you validated changes

• [x] Added unit tests to validate that organization-level webhooks are created correctly when repo is not specified.
• [x] Ran integration tests to ensure that the changes do not break any existing functionality related to project webhooks.
• [x] Tested deployment of a CodeBuild project with organization webhook setup in a sample CDK application to verify end-to-end functionality.

Checklist

• [x] 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

[shivatalwar]

This is great - any blockers on getting this merged

[GavinZZ]

@dviryamin do you need any help with the failed integ test?

[dviryamin]

Hi @GavinZZ, Thank you for offering to help! I’ve updated the integration test snapshot with the new default image, so the tests should pass now. I’d really appreciate it if you could take a moment to review the PR when you have time. Looking forward to your feedback!

[mergify[bot]]

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: 12d982547aeddbb7d69e7d5ad2ccbadb6260e06c
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[mergify[bot]]

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[bot]]

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