Bump dependencies

Fixes #210

Author: acogoluegnes

pom.xml

@@ -54,13 +54,13 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-    <rabbitmq.version>5.7.2</rabbitmq.version>
+    <rabbitmq.version>5.7.3</rabbitmq.version>
     <commons-cli.version>1.4</commons-cli.version>
     <metrics.version>4.1.0</metrics.version>
-    <micrometer.version>1.2.0</micrometer.version>
+    <micrometer.version>1.2.1</micrometer.version>
     <gson.version>2.8.5</gson.version>
     <logback.version>1.2.3</logback.version>
-    <jetty.version>9.4.19.v20190610</jetty.version>
+    <jetty.version>9.4.20.v20190813</jetty.version>
     <junit.jupiter.version>5.5.1</junit.jupiter.version>
     <mockito.version>3.0.0</mockito.version>
     <assertj.version>3.13.2</assertj.version>