Upgrade parent to 31
diff --git a/pom.xml b/pom.xml
index 8e0b90f..bffad1b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>

     <groupId>org.apache.maven.plugins</groupId>

     <artifactId>maven-plugins</artifactId>

-    <version>30</version>

+    <version>31</version>

     <relativePath>../../pom/maven/maven-plugins/pom.xml</relativePath>

   </parent>