Replace calls to deprecated .dict() with .model_dump()

gso/cli/imports.py

gso/services/partners.py

gso/workflows/iptrunk/activate_iptrunk.py

gso/workflows/iptrunk/create_imported_iptrunk.py

gso/workflows/iptrunk/create_iptrunk.py

gso/workflows/iptrunk/deploy_twamp.py

gso/workflows/iptrunk/migrate_iptrunk.py

gso/workflows/iptrunk/modify_isis_metric.py

gso/workflows/iptrunk/modify_trunk_interface.py

gso/workflows/iptrunk/terminate_iptrunk.py

gso/workflows/office_router/create_imported_office_router.py

gso/workflows/router/activate_router.py

gso/workflows/router/create_imported_router.py

gso/workflows/router/create_router.py

gso/workflows/router/modify_connection_strategy.py

gso/workflows/router/redeploy_base_config.py

gso/workflows/router/terminate_router.py

gso/workflows/router/update_ibgp_mesh.py

gso/workflows/site/create_imported_site.py

gso/workflows/site/create_site.py