JBEHAVE-1583 Bump Plexus Utils from 3.5.0 to 4.0.0

Bumps [org.codehaus.plexus:plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 3.5.0 to 4.0.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](codehaus-plexus/plexus-utils@plexus-utils-3.5.0...plexus-utils-4.0.0)

Adds [org.codehaus.plexus:plexus-xml](https://github.com/codehaus-plexus/plexus-xml) `4.0.2`.
- [Release notes](https://github.com/codehaus-plexus/plexus-xml/releases)

jbehave-core/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.5.0</version>
+      <version>4.0.0</version>
     </dependency>
     <dependency>
       <groupId>org.freemarker</groupId>

jbehave-maven-plugin/pom.xml

@@ -30,6 +30,11 @@
       <artifactId>plexus-archiver</artifactId>
       <version>4.6.1</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-xml</artifactId>
+      <version>4.0.2</version>
+    </dependency>
 
     <dependency>
       <groupId>org.hamcrest</groupId>