update regexp used in fgci-login role to match new IP
update regexp used in fgci-login role to match new IP

https://github.com/CSC-IT-Center-for-Science/ansible-role-fgci-login/commit/088de1864474d4c934cfcc21a158211ffd1a1c2d

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