[ACR] add breaking change message

[nguyenm2151]

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
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[azure-client-tools-bot-prd]

Validation for Breaking Change Starting...

Thanks for your contribution!

[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

[github-actions]

The git hooks are available for azure-cli and azure-cli-extensions repos. They could help you run required checks before creating the PR.

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[Copilot]

Pull request overview

Adds a breaking-change announcement to the acrtransfer Azure CLI extension so users are notified about a forthcoming new required parameter for ACR pipeline creation commands.

Changes:

• Register logic breaking-change announcements for acr export-pipeline create and acr import-pipeline create.
• Bump extension version to 1.1.1b1 and add corresponding HISTORY.rst entry.
• Add initial (placeholder) test package structure and a scenario test stub.

Reviewed changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/acrtransfer/setup.py	Bumps extension version to 1.1.1b1.
src/acrtransfer/HISTORY.rst	Adds release notes entry for the breaking change announcement.
src/acrtransfer/azext_acrtransfer/_breaking_change.py	Registers breaking change notifications for the two pipeline create commands.
src/acrtransfer/azext_acrtransfer/__init__.py	Imports breaking-change registration module so it runs at load time.
src/acrtransfer/azext_acrtransfer/tests/__init__.py	Adds test package initializer.
src/acrtransfer/azext_acrtransfer/tests/latest/__init__.py	Adds latest test package initializer.
src/acrtransfer/azext_acrtransfer/tests/latest/test_acrtransfer_scenario.py	Adds a placeholder ScenarioTest class for future tests.

[github-actions]

• For more info about extension versioning, please refer to Extension version schema

[nguyenm2151]

/azp run