Bug 28442: Update template for new roles

Bug 28442: Update template for new roles

We have multiple accessibility advocates this cycle, so we needed to
adapt the template. I've also added the meeting facilitator as a case
but not added to the team block as a whole.. seeking opinions, perhaps
wait and see if it lasts more than a cycle before adding it fully?

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 16abe0f5321bc7165c1bf7051d6fa53f7608e0ec)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>