Reports in prod should be stored on redis 30 days

When using redis as a backend for celery TTLs are
set per key stored. This change configures redis TTLs for celery
items to be 30 days in redis prod and 1 hour in development.

Bug: 63664
Change-Id: I08b4ca98e5e109678fff0dab3a178c6ee9f559b1