[nancy][gros] restore pdu socket information in gros_pdu.yaml (generated json)

data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json

data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json