graffiti-9 Update BIOS 2

data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json

@@ -7,9 +7,9 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "11/27/2019",
+    "release_date": "04/10/2020",
     "vendor": "Dell Inc.",
-    "version": "2.4.8"
+    "version": "2.6.4"
   },
   "bmc_version": "4.10.10.10",
   "chassis": {
@@ -210,7 +210,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Skylake",
-    "microcode": "0x2000065",
+    "microcode": "0x2000069",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) Silver 4110 CPU @ 2.10GHz",
     "vendor": "Intel",