We've seen some issues with killing reprepro after 30mins, bump to 90m
which is still under the 2hr crontab loop.
This is to avoid killing reprepro when downloading a large updates and
potentially corrupting our databases.
Change-Id: I333302c00e36a029f9b3b4fa0c79ec4da7cec0ad
Signed-off-by: Paul Belanger <pabelanger@redhat.com>