[rennes][abacus22] Fix server model

data/grid5000/sites/rennes/clusters/abacus22/abacus22.json

@@ -50,7 +50,7 @@
       }
     }
   ],
-  "model": "Dell PowerEdge C6320",
+  "model": "ProLiant DL385 Gen10 Plus v2",
   "queues": [
     "admin",
     "testing"

input/grid5000/sites/rennes/clusters/abacus22/abacus22.yaml

-model: Dell PowerEdge C6320
+model: ProLiant DL385 Gen10 Plus v2
 created_at: 2023-12-04
 kavlan: false
 boot_type: uefi