Improve project.clj.

project.clj

 (defproject tservice/xps2pdf "v0.2.0"
+  :description "Convert xps to pdf."
+  :url "https://github.com/tservice-plugins/xps2pdf"
+  :license {:name "Eclipse Public License"
+            :url "http://www.eclipse.org/legal/epl-v10.html"}
   :min-lein-version "2.5.0"
   :deployable true
 
   {:provided
    {:dependencies
     [[org.clojure/clojure "1.10.1"]
-     [org.clojars.yjcyxky/tservice "0.5.6"]]}
+     [org.clojars.yjcyxky/tservice "0.5.8"]]}
 
    :uberjar
    {:auto-clean    true