Bug 27530: Set dateexpiry to 2099 in sample patrons

Bug 27530: Set dateexpiry to 2099 in sample patrons

To prevent them to be expired.

Note that the last patron is kept expired.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit e3205b4c41497d83084a8a216eefa6dd377788b1)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit c2f9610e3fddb93e247700b6030c8f4c54c8c872)