Adding GPU support to large gpu flavor on staging

common/deployments/hub-staging.yaml

@@ -90,9 +90,9 @@ singleuser:
         extra_annotations:
           "egi.eu/flavor": "large-environment-8-vcpu-16-gb-ram-gpu"
         extra_resource_guarantees:
-          nvidia.com/gpu: 1
+          nvidia.com/mig-1g.12gb: 1
         extra_resource_limits:
-          nvidia.com/gpu: 1
+          nvidia.com/mig-1g.12gb: 1
       vo_claims:
         - urn:geant:eosc-federation.eu:res:notebooks.open-science-cloud.ec.europa.eu:8-vcpu-16-gb-ram-gpu:act:ppa
   cmd: jupyterhub-singleuser-webdav-wrapper