DP-13727 Add CodeArtifact package paths to service.yml

[hui-zheng278]

One of the Capsaicin requirements requires that all artifacts uploaded to CodeArtifacts come from specific Semaphore jobs. This PR adds package_paths to service.yml so that each GitHub repo can declare the path of the CodeArtifact packages that it writes to. For newer GitHub repos, the package_paths needs to be added to the service.yml file manually before it can write to CodeArtifact in the Semaphore pipeline. For more information about this, see https://confluent.slack.com/archives/C038ZJ00P/p1708464192287999

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