Update rebel-readline-cljs for modern ClojureScript and JDK

## Summary `rebel-readline-cljs` is stale and needs updating before it can be released: - Depends on ClojureScript `1.10.758` (from 2020) - Uses `cljs.repl.nashorn` which was removed in newer JDK versions - Still depends on `com.bhauman/rebel-readline` `0.1.5` - Version is still at `0.1.5` (never bumped) ## Tasks - [ ] Update ClojureScript dependency to a current version - [ ] Replace Nashorn REPL with a supported alternative (e.g. Node) - [ ] Update rebel-readline dependency to `0.1.7` - [ ] Test and deploy to Clojars