Migrate the Maestro related pipelines to use Kubernetes agents instead of traditional agents.

Objective:
Enable better resource utilization and eliminate workspace cleanup issues for Maestro testing pipelines.

Scope:
- Update Maestro pipeline configurations to use Kubernetes agents
- Test Maestro functionality with K8s agent setup
- Verify workspace cleanup improvements
- Ensure Maestro integration testing reliability

Acceptance Criteria:
- [ ] Maestro related pipelines successfully migrated to K8s agents
- [ ] Maestro functionality verified with K8s agent configuration
- [ ] Workspace cleanup issues resolved for Maestro testing
- [ ] Maestro integration testing remains reliable
- [ ] Resource utilization optimized for Maestro operations

Dependencies:
- K8s agent configuration established
- Access to Maestro pipeline systems
- Coordination with Maestro team for testing validation

This task was created as part of Epic breakdown for ACM-26264. Generated by Claude Code.