Upgrade vertx from 3.5.1 to 3.5.4.

Author: Robin Duda

pom.xml

@@ -57,25 +57,25 @@
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-core</artifactId>
-            <version>3.5.1</version>
+            <version>3.5.4</version>
         </dependency>
 
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-unit</artifactId>
-            <version>3.5.1</version>
+            <version>3.5.4</version>
         </dependency>
 
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-web</artifactId>
-            <version>3.5.1</version>
+            <version>3.5.4</version>
         </dependency>
 
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-web-templ-jade</artifactId>
-            <version>3.5.1</version>
+            <version>3.5.4</version>
         </dependency>
 
         <dependency>