use larger build image to fit in containers

Author: sjpb

environments/.stackhpc/ARCUS.pkrvars.hcl

@@ -1,6 +1,6 @@
 flavor = "vm.ska.cpu.general.small"
 use_blockstorage_volume = true
-volume_size = 10 # GB
+volume_size = 12 # GB. Compatible with SMS-lab's general.v1.tiny 
 image_disk_format = "qcow2"
 networks = ["4b6b2722-ee5b-40ec-8e52-a6610e14cc51"] # portal-internal (DNS broken on ilab-60)
 source_image_name = "openhpc-230804-1754-80b8d714" # https://github.com/stackhpc/ansible-slurm-appliance/pull/298