Set encoding in pom

Change-Id: Id899dd1369aa569d2f0a3ff2d6902513eeb2b407
diff --git a/pom.xml b/pom.xml
index 5b9d88d..fa60e61 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,6 +12,8 @@
     <java.version>1.8</java.version>
     <jetty.version>9.4.31.v20200723</jetty.version>
     <jersey.version>2.27</jersey.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
   </properties>
 
   <dependencies>