bump fgci-install: override fewer variables in pull_variables.yml
bump fgci-install: override fewer variables in pull_variables.yml

https://github.com/CSC-IT-Center-for-Science/ansible-role-fgci-install/pull/31

mantti/fgci-tut,mantti/fgci-tut,mantti/fgci-tut,CSC-IT-Center-for-Science/fgci-ansible