[v1.0] Bump aquasecurity/trivy-action from 0.19.0 to 0.20.0

[janusgraph-automations]

Backport

This will backport the following commits from master to v1.0:

• Bump aquasecurity/trivy-action from 0.19.0 to 0.20.0

Questions ?

Please refer to the Backport tool documentation