Bump org.clojure:clojure from 1.5.1 to 1.9.0

Bumps [org.clojure:clojure](https://github.com/clojure/clojure) from 1.5.1 to 1.9.0.
- [Changelog](https://github.com/clojure/clojure/blob/master/changes.md)
- [Commits](clojure/clojure@clojure-1.5.1...clojure-1.9.0)

---
updated-dependencies:
- dependency-name: org.clojure:clojure
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -102,7 +102,7 @@
   </parent>
 
   <properties>
-    <clojure.version>1.5.1</clojure.version>
+    <clojure.version>1.9.0</clojure.version>
   </properties>