fix(netpol): dedupe deployment_name in variables dict

Rebase op main introduceerde een dubbele dict-key — ruff F601 catchte het in CI.

Author: uittenbroekrobbert

operations-manager/python/opi/manager/project_manager.py

@@ -4506,7 +4506,6 @@ async def create_application_manifests(
                 "deployment_name": deployment_name,
                 "component_name": component_name,
                 "namespace": namespace,
-                "deployment_name": deployment_name,
                 "hostname": hostname,
                 "project": {"name": project_name},
                 "cluster": cluster,  # Add cluster information for template conditionals