Update akka-http, akka-http-caching, ... to 10.2.9 (#546)
Update akka-http, akka-http-caching, ... to 10.2.9 (#546)

* Update akka-http, akka-http-caching, ... to 10.2.9

* Revert commit(s) 4d7fb3a

* Update akka-http, akka-http-caching, ... to 10.2.9
phenoscape/phenoscape-kb-services,phenoscape/phenoscape-kb-services