Update quality docs

[rodmhgl]

This pull request updates the workshop/capoc/quality/readme.md documentation to clarify the expected results and quality policy enforcement details in the deployment workflow. The changes improve the accuracy of command outputs, clarify the reasoning behind policy decisions, and correct step numbering for better instructional flow.

Documentation and instructional improvements:

• Updated the expected error message for a failed deployment to include specific code coverage details and the commit SHA, illustrating how the policy enforces minimum coverage requirements.
• Updated the expected output for a successful deployment to use my-app instead of frontend-service, aligning with the deployment manifest.
• Clarified the comparison of deployments by specifying which commit SHAs correspond to allowed and rejected deployments, the associated coverage percentages, and that the policy uses a static lookup in the constraint's coverageData map.

Instructional corrections:

• Corrected the step numbering for examining quality differences and cleaning up test resources to maintain sequential order. [1] [2]

[Copilot]

Pull request overview

Updates the Quality module workshop documentation to better reflect Gatekeeper policy behavior and to improve instructional flow for the code coverage enforcement exercise.

Changes:

• Updated the expected Gatekeeper denial output to include commit-specific coverage details.
• Corrected the expected successful deployment output to match the my-app manifest.
• Fixed step numbering and clarified how the constraint’s coverageData lookup drives allow/deny decisions.

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