Adapt to new Maven name in Jenkins
diff --git a/Jenkinsfile b/Jenkinsfile
index aa2e9cc..d4dcc41 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -39,7 +39,7 @@
     }
 
     tools {
-        maven 'Maven 3 (latest)'
+        maven 'maven_3_latest'
         jdk 'JDK 1.8 (latest)'
     }