[all] Updated operating system info

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json

.../grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json

.../grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json

...grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json