[grenoble/servan] Update bios on servan

data/grid5000/sites/grenoble/clusters/servan/nodes/servan-1.json

@@ -7,9 +7,9 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "10/06/2021",
+    "release_date": "01/13/2022",
     "vendor": "Dell Inc.",
-    "version": "2.5.6"
+    "version": "2.6.6"
   },
   "bmc_version": "5.10",
   "chassis": {
@@ -348,7 +348,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x830104d",
+    "microcode": "0x8301052",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",

data/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.json

@@ -7,9 +7,9 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "10/06/2021",
+    "release_date": "01/13/2022",
     "vendor": "Dell Inc.",
-    "version": "2.5.6"
+    "version": "2.6.6"
   },
   "bmc_version": "5.10",
   "chassis": {
@@ -348,7 +348,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x830104d",
+    "microcode": "0x8301052",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",

input/grid5000/sites/grenoble/clusters/servan/nodes/servan-1.yaml

@@ -8,9 +8,9 @@ servan-1:
     nb_threads: 48
     platform_type: x86_64
   bios:
-    release_date: 10/06/2021
+    release_date: 01/13/2022
     vendor: Dell Inc.
-    version: 2.5.6
+    version: 2.6.6
   bmc_version: '5.10'
   chassis:
     manufacturer: Dell Inc.
@@ -113,7 +113,7 @@ servan-1:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x830104d'
+    microcode: '0x8301052'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD

input/grid5000/sites/grenoble/clusters/servan/nodes/servan-2.yaml

@@ -8,9 +8,9 @@ servan-2:
     nb_threads: 48
     platform_type: x86_64
   bios:
-    release_date: 10/06/2021
+    release_date: 01/13/2022
     vendor: Dell Inc.
-    version: 2.5.6
+    version: 2.6.6
   bmc_version: '5.10'
   chassis:
     manufacturer: Dell Inc.
@@ -113,7 +113,7 @@ servan-2:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x830104d'
+    microcode: '0x8301052'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD