Improving security score

• https://github.com/nephio-project/nephio/pull/559 (OSSF best practices badge)
• https://github.com/nephio-project/nephio/pull/560 (contribution.md)
• https://github.com/nephio-project/nephio/pull/558 (dependabot)

• Good-first-issues

Discussion in Rx Scope meeting on last friday

• Include improving security best practices score to > 7 as part of R3 scope
• Is there anyone available to take up signed releases handling?
• Workload Identity
• User Identity