Bump OpenHPC role to v1.4.0#818

bertiethorpe merged 3 commits intomainstackhpc/ansible-slurm-appliance:mainfrom

update/openhpc-role-v1.4.0-take2stackhpc/ansible-slurm-appliance:update/openhpc-role-v1.4.0-take2Copy head branch name to clipboard