Fix maven version

Change-Id: I2db3da52961d21a03ec66e8ec01d8ed40588e4b0
diff --git a/jjb/maven.yaml b/jjb/maven.yaml
index ac461dc..162209f 100644
--- a/jjb/maven.yaml
+++ b/jjb/maven.yaml
@@ -138,3 +138,4 @@
           settings: 'cord-apps-maven-settings'
           settings-type: cfp
           goals: '-Prelease clean deploy'
+          maven-version: '{maven-version}'