voltha-2.13 release updates

Add 2.13 jobs and update versions across existing jobs.

Change-Id: I67095bf8fe6226f99701ae9351593d87da6f7f55
Signed-off-by: Eric Ball <eball@linuxfoundation.org>
diff --git a/jjb/verify/ofagent-go.yaml b/jjb/verify/ofagent-go.yaml
index 15cf065..52974d4 100644
--- a/jjb/verify/ofagent-go.yaml
+++ b/jjb/verify/ofagent-go.yaml
@@ -10,6 +10,10 @@
           branch-regexp: '{all-branches-regexp}'
       - 'verify-ofagent-jobs-master':
           branch-regexp: '^master$'
+      - 'verify-ofagent-jobs-voltha-2.13':
+          name-extension: '-voltha-2.13'
+          override-branch: 'voltha-2.13'
+          branch-regexp: '{kind-voltha-regexp}'
       - 'verify-ofagent-jobs-voltha-2.12':
           name-extension: '-voltha-2.12'
           override-branch: 'voltha-2.12'
@@ -46,6 +50,13 @@
           pipeline-branch: 'voltha-2.11'
 
 - job-group:
+    name: 'verify-ofagent-jobs-voltha-2.13'
+    jobs:
+      - 'voltha-patch-test':
+          pipeline-script: 'voltha/bbsim-tests.groovy'
+          pipeline-branch: 'voltha-2.13'
+
+- job-group:
     name: 'verify-ofagent-jobs-voltha-2.12'
     jobs:
       - 'voltha-patch-test':