Bump dependencies

References #199

Author: acogoluegnes

pom.xml

@@ -56,11 +56,11 @@
 
     <rabbitmq.version>5.7.0</rabbitmq.version>
     <commons-cli.version>1.4</commons-cli.version>
-    <metrics.version>4.0.5</metrics.version>
+    <metrics.version>4.1.0</metrics.version>
     <micrometer.version>1.1.4</micrometer.version>
     <gson.version>2.8.5</gson.version>
     <logback.version>1.2.3</logback.version>
-    <jetty.version>9.4.17.v20190418</jetty.version>
+    <jetty.version>9.4.18.v20190429</jetty.version>
     <junit.jupiter.version>5.4.2</junit.jupiter.version>
     <mockito.version>2.27.0</mockito.version>
     <hamcrest.version>2.0.0.0</hamcrest.version>