Add GetAuthorizationsPerf feature to test/config-next/sa.json (#4534)
Add GetAuthorizationsPerf feature to test/config-next/sa.json (#4534)

Seem to have forgotten to do this in #4512.
jcjones/boulder,letsencrypt/boulder,letsencrypt/boulder,jsha/boulder,jcjones/boulder,letsencrypt/boulder,jsha/boulder,bmw/boulder,jsha/boulder,bmw/boulder,jcjones/boulder,jcjones/boulder,bmw/boulder