Move grsec role before common role
Move grsec role before common role

The in securedrop-staging.yml, the grsec role is bring run before the common role.

[1] : https://github.com/freedomofpress/securedrop/blob/9f32d46136861546af556d3f54d92e31cebe2eb0/install_files/ansible-base/securedrop-staging.yml

conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop