[sophia][esterel12] update postinstall and switch description

data/grid5000/sites/sophia/clusters/esterel12/nodes/esterel12-1.json

@@ -99,7 +99,7 @@
   "redfish": true,
   "software": {
     "forced-deployment-timestamp": 202007300948,
-    "postinstall-version": "1.2025032008",
+    "postinstall-version": "1.2025040409",
     "standard-environment": "debian11-x64-std"
   },
   "storage_devices": [

input/grid5000/sites/sophia/networks/swadmin-6.yaml

@@ -35,6 +35,9 @@ swadmin-6:
         7:
           uid: esterel27-1-bmc
           kind: other
+        8:
+          uid: esterel12-1-bmc
+          kind: other
         9:
           uid: esterel2-1-bmc
           kind: other