Merge branch 'spack-vm' into 'master'

[grenoble] Add pneyron-spack-vm persistent VM

See merge request !354

data/grid5000/sites/lille/servers/pneyron-spack-vm.json

+{
+  "expire": "2024-03",
+  "kind": "virtual",
+  "network_adapters": {
+    "default": {
+      "ip": "172.16.29.1"
+    }
+  },
+  "type": "server",
+  "uid": "pneyron-spack-vm"
+}
\ No newline at end of file

input/grid5000/sites/lille/servers/users-vm.yaml

@@ -53,3 +53,9 @@ lbertot-vm:
   kind: virtual
   expire: 2021-10
   network_adapters: {default: {ip: 172.16.45.14}}
+
+pneyron-spack-vm:
+  kind: virtual
+  expire: 2024-03
+  network_adapters: {default: {ip: 172.16.29.1}}
+