Upgrade to fcrepo-camel/4.5
Once fcrepo-camel/4.5 is released, we should upgrade our system to make use of it. At the same time, we will need to update camel to 2.18.0. We should also remove the hard dependencies on particular Camel/AMQ versions: https://gitlab.amherst.edu/acdc/repository-extension-services/blob/master/acrepo-karaf/src/main/resources/features.xml#L3-5