[toulouse][network] Describe aruba switch

The temporary Dell switch has been replaced on 2023-07-20. This merge request describe the network topology of Toulouse.

data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json

@@ -132,7 +132,7 @@
       "sriov": false,
       "sriov_totalvfs": 0,
       "switch": "gw-toulouse",
-      "switch_port": "tengigabitethernet1/1/1",
+      "switch_port": "1/1/1",
       "vendor": "Broadcom Inc. and subsidiaries"
     },
     {