[Grenoble] Add cluster chartreuse2

input/grid5000/sites/grenoble/clusters/chartreuse2/chartreuse2.yaml

+---
+model: Dell PowerEdge C6320
+created_at: 2025-01-13
+kavlan: false
+boot_type: uefi
+exotic: false
+queues:
+  - admin
+  - testing
+nodes:
+  chartreuse2-[1-4]:
+    chassis:
+      manufactured_at: 2016-11-14
+      warranty_end: 2021-11-13 
+    supported_job_types:
+      deploy: true
+      besteffort: true
+      max_walltime: 0
+    processor:
+      microarchitecture: Broadwell 
+      clock_speed: 2400000000
+    network_adapters:
+      bmc:
+        enabled: true
+        mountable: false
+        mounted: false
+      eth0:
+        enabled: true
+        mountable: true
+        mounted: true
+    storage_devices:
+      disk0: # This field will have to be renamed later.
+        id: disk0
+        interface: SAS
+        by_path: "/dev/disk/by-path/dummy" # this path will have to change later.
+    software:
+      standard-environment: debian11-x64-std
+    management_tools:
+      bmc_vendor_tool: racadm
+    nodeset: chartreuse2