bindep: Add 'tex-gyre'
bindep: Add 'tex-gyre'

It appears we need this package now as we're seeing the following in
build logs:

  Latexmk: Missing input file: 'tgtermes.sty' from line
    '! LaTeX Error: File `tgtermes.sty' not found.'

Change-Id: I8590310d6233c74859c52aecd6ffd4dcf6ff6bf2
Signed-off-by: Stephen Finucane <492121341a95b3c3aab646bed44634f739dd019b@redhat.com>

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals