Update plexus-utils to 3.1.0

Closes #9

Author: plamentotev

pom.xml

@@ -38,7 +38,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.0.24</version>
+      <version>3.1.0</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>