Replace GCP deployment-manager scripts with infrastructure-manager #3132

Motivation
deployment-manager will be deprecated in December 31, 2025 March 31, 2026 (extended) and replaced with infrastructure-manager

Definition of done

• Explore the new infra-manager service and replace code in deploy/deployment-manager in order to support automatic deployments on GCP
• Provide a migration script for existing resources deployed with the deployment-manager