Update dependency to final release of lacinia-pedestal 0.5.0

Author: hlship

project.clj

@@ -4,5 +4,5 @@
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
   :dependencies [[org.clojure/clojure "1.8.0"]
-                 [com.walmartlabs/lacinia-pedestal "0.5.0-rc-2"]
+                 [com.walmartlabs/lacinia-pedestal "0.5.0"]
                  [io.aviso/logging "0.2.0"]])