Add index for queued_at and state columns of explicit_permissions_bitbucket_projects_jobs table
Created by: sashaostrikov
Part of https://github.com/sourcegraph/sourcegraph/issues/36453
Test plan
sg migration up-down-up
Created by: sashaostrikov
Part of https://github.com/sourcegraph/sourcegraph/issues/36453
sg migration up-down-up