Add missing import to the dataactbroker initialize script.
Add missing import to the dataactbroker initialize script.

Didn't catch this in tests, because test setup invokes the
setup functions individually.

chambers-brian/SIG_Digital-Strategy_SI_ODP_Backend,fedspendingtransparency/data-act-broker-backend,fedspendingtransparency/data-act-broker-backend,chambers-brian/SIG_Digital-Strategy_SI_ODP_Backend