[all sites] update processor microcode

data/grid5000/accesses/refrepo.json

...id5000/sites/grenoble/clusters/servan/nodes/servan-1.json

...id5000/sites/grenoble/clusters/servan/nodes/servan-2.json

...grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json

...grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json

...grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json

...grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json

...rid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json

.../grid5000/sites/lille/clusters/chirop/nodes/chirop-1.json

.../grid5000/sites/lille/clusters/chirop/nodes/chirop-2.json

.../grid5000/sites/lille/clusters/chirop/nodes/chirop-3.json

.../grid5000/sites/lille/clusters/chirop/nodes/chirop-4.json

.../grid5000/sites/lille/clusters/chirop/nodes/chirop-5.json