Bug 25792: Rename 'ttf-dejavu' package to 'fonts-dejavu' for Debian 11

Bug 25792: Rename 'ttf-dejavu' package to 'fonts-dejavu' for Debian 11

to test...
 1/ attempt to install koha 20.05 package on deb11, fail :'(
 2/ apply patch and build new koha package
 3/ attempt to install new koha package on deb11, succeed!

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 14932ae7d3bf864f64bffc9b1b015a07e11c8e2e)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit a224b116882341fe4f0db09b456db1e20d8ad2e0)

Signed-off-by: Aleisha Amohia <aleishaamohia@hotmail.com>
(cherry picked from commit 47e4752e5320067abd594c4bd1c4f7f8277aa65a)
Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net>