Update tools.reader dependency

ring-devel depends on org.clojure/tools.reader 1.4.0 via ns-tracker
1.0.0. tools.reader 1.4.0 yields these reflection warnings:

    Reflection warning, clojure/tools/reader.clj:1025:74
      - call to method setLength can't be resolved (target class is
        unknown).

    Reflection warning, clojure/tools/reader.clj:1030:74
      - call to method setLength can't be resolved (target class is
        unknown).

Author: eerohele

ring-devel/project.clj

@@ -4,6 +4,7 @@
   :scm {:dir ".."}
   :license {:name "The MIT License"
             :url "http://opensource.org/licenses/MIT"}
+  :managed-dependencies [[org.clojure/tools.reader "1.5.2"]]
   :dependencies [[org.clojure/clojure "1.9.0"]
                  [ring/ring-core "1.15.2"]
                  [hiccup "2.0.0"]