Update backend clients

https://gitlab.ub.uni-bielefeld.de/cmg/clowm/clowm-auth-service/-/issues/35
clowm-s3proxy-service#74 (closed)
clowm-workflow-service#72 (closed)
https://gitlab.ub.uni-bielefeld.de/cmg/clowm/clowm-workflow-logging-service/-/issues/15
clowm-resource-service#8 (closed)

added enhancement label

assigned to @daniel.goebel

created branch feature/89-update-backend-clients to address this issue

mentioned in merge request !86 (merged)

mentioned in commit 8730f42e

mentioned in commit 4f29d6b8

closed with merge request !86 (merged)