bump trivy image to support private image scanning
What does this MR do and why?
This MR adds support to scan private images configured with imagePullSecrets to address this isse Add private registry support for operational co... (gitlab-org/gitlab#415451 - closed).
Trivy released a new feature that supports scanning of private registries for trivy k8s. The feature is scheduled for release in Trivy 0.45.0 in early Sep 2023.
In this MR, I used a SHA reference from Trivy's canary build so that we can release this feature earlier.