[luxembourg] Add missing serials for granduc-8 and granduc-10

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-10.json

@@ -16,7 +16,7 @@
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge 1950",
-    "serial": "DELL"
+    "serial": "79N983J"
   },
   "gpu": {
     "gpu": false

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-8.json

@@ -16,7 +16,7 @@
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge 1950",
-    "serial": ""
+    "serial": "59N983J"
   },
   "gpu": {
     "gpu": false

generators/input/sites/luxembourg/clusters/granduc_generated.yaml

@@ -635,7 +635,7 @@ granduc-8:
   supported_job_types:
     virtual: ivt
   chassis:
-    serial_number: ''
+    serial_number: 59N983J
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   processor:
@@ -797,7 +797,7 @@ granduc-10:
       rev: S207
       vendor: SEAGATE
   chassis:
-    serial_number: DELL
+    serial_number: 79N983J
     manufacturer: Dell Inc.
     product_name: PowerEdge 1950
   supported_job_types: