Security: Supply chain Security

The Argo Project focuses on supply chain security and has made significant improvements in its security posture. It has adopted the SLSA framework, which provides a checklist of standards and controls to enhance security in software artifacts. Attestations play a crucial role in verifying the authenticity and integrity of software artifacts, and Argo CD generates attestations using the slsa-github-generator tools. The project plans to extend attestations to other Argo projects and align with the latest SLSA specifications.