[MASSEMBLY-868] Upgrade plexus-utils to version 3.1.0


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1804893 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 301c4c8..2272eb4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -167,7 +167,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.0.24</version>
+      <version>3.1.0</version>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>