leap: update terraform config to reflect filestore bump via UI

Author: consideRatio

terraform/gcp/projects/leap.tfvars

@@ -21,7 +21,7 @@ enable_network_policy = true
 
 # Setup a filestore for in-cluster NFS
 enable_filestore      = true
-filestore_capacity_gb = 2560
+filestore_capacity_gb = 3072
 
 user_buckets = {
   "scratch-staging" : {