Deployment pipeline for enclave attestation service

[itstauq]

Description

Add steps in cd-syft.yml and cd-syft-dev.yml for building and pushing the enclave attestation service docker images to dockerhub

Closes OpenMined/Heartbeat#1176

Affected Dependencies

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How has this been tested?

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Checklist

• [x] I have followed the Contribution Guidelines and Code of Conduct
• [x] I have commented my code following the OpenMined Styleguide
• [x] I have labeled this PR with the relevant Type labels
• [ ] My changes are covered by tests