[MJARSIGNER-71] upgrade plexus-utils to 4.0.0

Author: hboutemy

pom.xml

@@ -79,7 +79,7 @@ under the License.
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-utils</artifactId>
-        <version>3.3.0</version>
+        <version>4.0.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -118,6 +118,11 @@ under the License.
       <artifactId>maven-shared-utils</artifactId>
       <version>3.3.3</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-xml</artifactId>
+      <version>3.0.0</version>
+    </dependency>
     <dependency>
       <groupId>org.sonatype.plexus</groupId>
       <artifactId>plexus-sec-dispatcher</artifactId>