enforce code ownership of each package

[kristapratico]

This CI check should ensure that each package has a code owner, and that the owner listed is not the fallback owner.

[azure-sdk]

Label prediction was below confidence level 0.6 for Model:ServiceLabels: 'Storage:0.5476703,Event Hubs:0.14124839,Service Bus:0.032613'

[scbedd]

Can utilize the code-owners-parser that Konrad on the EngSys team wrote.

[github-actions]

Hi @kristapratico, we deeply appreciate your input into this project. Regrettably, this issue has remained unresolved for over 2 years and inactive for 30 days, leading us to the decision to close it. We've implemented this policy to maintain the relevance of our issue queue and facilitate easier navigation for new contributors. If you still believe this topic requires attention, please feel free to create a new issue, referencing this one. Thank you for your understanding and ongoing support.