Update default values for geode-native jobs

 - Updated default branch name to 1.13
 - Updated default docker image to use 1.13.2 tag

Change-Id: I4869025c675f8cd080210813a03a35e86be0d3a2
diff --git a/jjb/geode-native/global-template-apache-geode-native-test.yaml b/jjb/geode-native/global-template-apache-geode-native-test.yaml
index b5a7868..b1490c0 100644
--- a/jjb/geode-native/global-template-apache-geode-native-test.yaml
+++ b/jjb/geode-native/global-template-apache-geode-native-test.yaml
@@ -36,7 +36,7 @@
           description: JJB configured PROJECT parameter to identify a Nordix GitHub project
       - string:
           name: BRANCH
-          default: 'release-nordix/1.10.0'
+          default: 'release-nordix/1.13.0'
           description: JJB configured BRANCH parameter for Nordix GitHub project
       - string:
           name: JOBS
@@ -44,8 +44,8 @@
           description: JJB configured JOBS parameter. Specifies the number of make jobs to run simultaneously while building geode-native
       - string:
           name: GEODE_NATIVE_DOCKER_IMAGE
-          default: 'apachegeode/geode-native-build'
-          description: JJB configured name of the geode-native build docker image based on Ubuntu 18.04
+          default: 'apachegeode/geode-native-build:1.13.2'
+          description: JJB configured name of the geode-native build docker image based on Ubuntu 20.04
 
     scm:
       - git-scm-github: